1. Introduction The present reality shows variability and diversity in time (chronology) and space (chorology). Chronol- ogy is the domain of history, while chorology is the domain of geography. A domain does not mean ex- clusivity. Both history and geography today are “spa- tiotemporal” sciences. The aim of this study is to describe and evaluate the socio-economic development of Poland after 1989 in terms of the features taken into account, with particular emphasis on the graphical method of time series analysis, i.e. the connected trajectory. In other words, it is about the reconstruction of the development process in a relatively long period of time, with special treatment of the applied method. Thus, the study pursues two closely related goals: the methodological and the cognitive one. The cognitive goal is important because the period of development lasting almost 30 years, which can be Journal of Geography, Politics and Society 2021, 11(4), 1–17 https://doi.org/10.26881/jpgs.2021.4.01 POLISH ECONOMY IN 1990–2018: BALANCE OF DEVELOPMENT IN NEW POLITICAL CONDITIONS Jerzy J. Parysek Faculty of Human Geography and Planning, Adam Mickiewicz University in Poznań, Krygowskiego 10, 61–680 Poznań, Poland, ORCID: 0000-0003-0044-6582 e-mail: parysek_jerzy@yahoo.com Citation Parysek J.J., 2021, Polish economy in 1990–2018: Balance of development in new political conditions, Journal of Geography, Politics and Society, 11(4), 1–17. Abstract Thirty years of Poland’s economic development in new political conditions is a good opportunity to study the course of the economic development process. This article presents the results of research that takes into account macroeconomic indicators that synthesize important development categories. These indicators concern the demographic situation (population, natural increase, economic activity and unemployment rate), economy (GDP, inflation, number of business entities, investment out- lays, budget deficit) and standard of living of the population (remuneration, housing situation, cars). In the study, a graphic method of time series analysis was applied, i.e. a connected trajectory, allowing a synthetic assessment of development pro- cesses in terms of aspects that express the considered features. Presentation of the research results is preceded by a presen- tation of the causes of transformation and an indication of development factors and conditions, in particular after 1989. The study is general and synthetic and does not take into account the details that had an impact on the situation described by the size of the indicators taken into account. Key words economic development, social development, development trajectories, balance of transformation process in Poland. Received: 12 April 2021 Accepted: 02 September 2021 Published: 24 January 2022 2 Jerzy J. Parysek called the socio-economic transformation of Poland or the socio-economic development in the new sys- tem conditions, probably ended in 2019. The period unexpectedly and brutally ended with the invasion of the SARS CoV-2 virus, the consequences of which are difficult to predict. Probably the hypothesis that the world after the COVID-19 pandemic will not be the same as before will be valid again (although this time in relation to the SARS-CoV-2 virus). What it will be like cannot be reliably presented even by the greatest minds. As already stated, the aim of this study is to re- construct the process of Poland’s socio-economic development after 1989 in terms of the features taken into account, primarily with the use of the connected trajectory. The time that has elapsed since 1989, i.e. the beginning of systemic changes, is a good opportunity to describe and evaluate the socio-economic development of Poland in the new conditions of functioning of the state, society and economy. This is important especially in a situation where the COVID-19 pandemic will undoubtedly lead to the creation of a completely new, probably difficult and complicated economic and social situa- tion not only in Poland but also in the world. There- fore, in the light of current events, this article is, in a sense, a summary of an important stage in Poland’s economic and social development during a ground- breaking period. The subject of the research was the Polish econ- omy, treated as a whole, in the years 1990–2018 in terms of 12 discussed features. These were: (1) pop- ulation (persons), (2) natural increase (persons), (3) unemployment rate (%), (4) economic activity (num- ber of employed persons), (5) GDP (PLN), (6) inflation (%), (7) economic entities (number), (8) investment outlays (PLN), (9) financial result of the state budget (PLN), (10) average salary (PLN), (11) housing stock (number of dwellings) and (12) registered cars (num- ber). These are the basic features taken into account in research on the socio-economic development of a country. These features also function in the so- called public space, influencing the public mood, politicians’ activity, the behavior of banks and rating agencies, and the decisions taken by authorities. It can be assumed that the first four features charac- terize the demographic and social situation, the next five – the development of the economy, and the last three – the standard of living of the population. The conducted research covers the period of 1990–2018. In this context, it should be remem- bered that at the turn of 1989 and 1990 a fundamen- tal change in the political-economic conditions took place in Poland. Instead of the totalitarian commu- nist system (ironically, called people’s democracy), solutions characteristic of the democratic systems functioning in Western Europe were being gradually introduced. A deep systemic transformation of the state began, encompassing the political, economic and social spheres. The reality of 1989 was that the change of the political system could be implement- ed relatively quickly, and so it was done. The trans- formation of the economy took much more time, because the transition of economic activity from op- erating in the command economy system to func- tioning in the free market system is a difficult and long-lasting process. On the one hand, there is the inertia of the old system, and on the other hand, there is a need to work out a model of this economy appropriate to the current situation and possibilities, especially to the particular stages of the develop- ment process. It takes similarly long to transform the mentality of society, which has to learn to function in a democratic system and in free market economy. Leaving the assessment of political changes as well as social consequences or effects of the transforma- tion to historians, political scientists and sociologists, the present author is particularly interested in eco- nomic development and only selected social effects of this development. Generally speaking, this study aims to describe and evaluate the course of develop- ment processes in selected, substantive categories of economic development (to a lesser extent – social one), and more specifically, the changes that took place in the period after 1989. The research was based on Statistics Poland sta- tistical data which seem to take into account the basic categories of development. In addition to the analysis of statistical data, the study applied an infre- quently used graphical method of time series analy- sis called the connected trajectory, which allows the reconstruction of development processes in an original and cognitively valuable way1. This method allows minimizing the impact of changes that the re- denomination of the zloty and inflation had on the data brought by the Statistics Poland to compara- bility2. The conducted research concerns Poland as a whole, with full awareness of the regional diversity of the ongoing transformation and development processes. There is a wealth of literature describing the transformation process, including the factors and conditions that had led to the changes. Obviously, 1 A description of this method and the interpretation of con- nected trajectorys can be found, among others, in the follow- ing publications: Hingel, 1993; Ormerod, 1993; Parysek, 2002, 2004; Parysek, Mierzejewska, 2012. 2 Each point through which the trajectory is drawn is the re- lation of the state of a given year to the state of the previous year (see: connected trajectorys). Polish economy in 1990–2018: Balance of development in new political conditions 3 in the conditions changing with time, various kinds of assessments had to be made about the causes of the transformation and its course. The presented point of view often depended on the ideological and political orientation of a particular author and the period in which the analysis and evaluation were conducted. This means that we are dealing with subjective rather than objective assessments of the recent past. Over time, this situation worsened so much that it has led to such a level of subjectivism when economic development processes in the same periods were assessed by some authors as a success and by others as a failure. The present author strives to make the most objective assessment of the trans- formation possible, which, as it seems, should be fa- cilitated by reducing the research to a multifaceted assessment of development processes based only on statistical analysis of data and their graphical interpretation3. 2. Causes of the systemic transformation The causes of the collapse of the communist system in Poland can be divided into endogenous ones – inherent in the situation that developed in Poland before 1989, and exogenous ones – resulting from the political and economic situation in the world, es- pecially in the communist bloc. Among the endoge- nous factors, the following deserve special emphasis (Chojnicki et al., 1999): (1) growing dissatisfaction of the society with the low level of consumption, ev- eryday life difficulties, and limited state sovereignty4; (2) changes in the awareness and the critical attitude of the society, especially of the working class, to- wards the allegedly progressive nature of the com- munist system and its economic and social efficien- cy, which resulted in the emergence of opposition organizations5; (3) growing inefficiency and short- ages of the economy based on central planning and operation of state-owned enterprises, the conse- quences of which included, among others: outdated 3 The difficulties in conducting an analysis of socio-econom- ic development in such a long time frame are evidenced by a lack of studies covering the whole period of 1990–2019. 4 This was reflected in subsequent social upheavals and pro- tests (Poznań: 1956, the Baltic Coast: 1970, Ursus and Radom: 1976, and the whole country, especially large urban and in- dustrial centers, in 1980–1981), which weakened the regime and forced implementation of specific reforms. 5 Organizations such as Komitet Obrony Robotników (KOR) [Eng.: the Workers’ Defense Committee] and Niezależny i Samorządny Związek Zawodowy ”Solidarność” [Eng.: the Independent Self-Governing Trade Union “Solidarity”] were established at that time. and inefficient structure of the economy, a declining level of investment, a constant decrease in national wealth (per capita), as well as growing state debt and a deteriorating condition of the natural and social environment. The exogenous factors include, first of all, the collapse of the USSR’s military, political and economic power and the collapse of that state, unfavorable to the communist system and the world effects of the arms race and the global economic sit- uation, especially emerging crises, e.g. the oil crises in 1974 and 1979 and the economic crisis of the early 1980s, revolution in Iran, etc. (Chojnicki, 1990; Choj- nicki et al., 1999; Morawski, 2003; Rubini et al., 2011; Winiecki (ed.), 2009). To a greater or lesser extent, all this influenced attempts of the communist authori- ties to reach an agreement with the then opposition. In this respect, a special role was played by difficult and often interrupted meetings of the government and solidarity sides, with participation of the Cath- olic Church representatives, e.g. in Magdalenka (September 16, 1988), and the Round Table talks (February 6 – April 5, 1989), which were concluded with a differently interpreted agreement6. The latter meetings resulted in the June contract elections (on June 4 and 18, 1989) and an agreement on such sys- temic solutions as the appointment of the Senate, the contract Sejm, the National Assembly and the of- fice of the President of the Republic of Poland7. The “contract” Sejm introduced the necessary amend- ments to the Constitution and passed a package of 10 economic laws, known as the “Balcerowicz plan”, the purpose of which was to build the foundations of a free-market economy. These acts concerned: fi- nancial management of (state-owned) enterprises, conducting business activity, taxes, functioning of the banking system (including the role and function- ing of the National Bank of Poland – NBP), loans, cus- toms, foreign exchange turnover and other impor- tant matters. Another goal of these legal regulations was to lead the country’s economy out of a deep crisis and to prepare the legal basis for the transition 6 From seizing power from the communists (W. Frasyniuk), through separation based on an agreement between the parties (L. Miller), to an agreement between the communists and the opposition on the communists’ terms (W. Czarzasty). 7 The aforementioned meetings of the communist govern- ment with the opposition are differently assessed, depending on political views and party sympathies. Thus, there are opin- ions such as the success of the opposition, but also betrayal or collusion of part of the Solidarity elite with communists, and recently, expressed in the media by the once prominent activists of the Polish United Workers’ Party (now SLD), com- ing to some arrangement between the authorities and the opposition or a mutual agreement of the sides, as already mentioned. 4 Jerzy J. Parysek from a centrally planned economy to a free-market economy. The primary aim was to curb inflation, limit the budget deficit, reduce the state debt, sup- port the banking system, and overcome the crisis and enter the path of economic growth8. As for the social transformation, apart from the changes in the society’s mentality shaped in the rejected system (homo sovieticus), the revival of the structures of civil society is worth emphasizing (first, at the level of municipalities) and the freedom of association in or- der to defend workers’ interests as well as to conduct political, economic and social activity9. This is the as- sessment of the present author, more or less differ- ent from other authors’ assessment (Gomułka, 2014; Kieżun, 2012; Kołodko, 1999a, 1999b, 2000, 2007; Kowalik, 2001, 2007; Kowalski, 2009; Poznański, 2001a, 2001b; Woźniak, 2011)10. 3. Factors and conditions of development It is generally assumed that both the initial situa- tion and the transformation process were shaped by many different factors, and that a near-truth as- sessment of the past may be made after many years, probably only by the second generation (Kołodko, 1999, 2007, 2009; Kowalski, 2009). Therefore, in a sit- uation where it is difficult to identify specific factors and determinants of development, and even more difficult to determine their impact on development, in this study, factors and determinants are treated both generally and jointly, as favorable, or not, cir- cumstances, both endogenous and exogenous (Pary sek, 2018). As written above, in 1990 the Polish economy found itself in a state of deep collapse which was, on the one hand, a result of an inefficient, prescriptive 8 Both the Balcerowicz plan and the entire transformation process are assessed differently today. The implementation of the aforementioned plan, however, created foundations for the transition to a free-market economy and contributed to curbing inflation, but it was very burdensome for the general public, caused an increase in unemployment and resulted in not always sensible liquidation of state-owned enterprises and sale of national assets (cf. Gomułka, 2014; Kieżun, 2012; Kolodko, 1999, 2000, 2007; Kowalik, 2001, 2007; Kowalski, 2009; Poznański, 2001a, 2001b; Wilczyński, 2007; Woźniak, 2011). Economists also attempt to classify the assessments of both the Balcerowicz plan and the transformation process (Rolski, 2013; Zagóra-Joniasto, 2017). 9 Poviat and voivodeship self-governments were estab- lished only after coming into force of the relevant acts of June 5, 1998. 10 Numerical data and appropriate graphs are included in the publication by Kołodko (2007). model of its functioning, and on the other hand – a result of political changes in Europe, especially in the bloc of the so-called socialist community, and the general political and economic situation in the world. In general, it can be assumed that the primary tasks of the transformation process included: (1) re- gaining a permanent macroeconomic equilibrium, (2) possibly full liberalization of prices and foreign trade, including the elimination of shortages and queues in front of shops, and (3) restoring the econ- omy’s development capacity with prospective striv- ing to eliminate the civilization gap that had existed for many years between Poland and the countries of Western Europe (Gomułka, 2014). The literature also contains records of other priority tasks, to a lesser extent referring to the Balcerowicz plan (Kołodko, 1999, 2000, 2007; Kowalik, 2011). In more detail, the primary directions of remedial actions aimed to fight hyperinflation, increasing unemployment, decreas- ing industrial production, problems in international trade, growing poverty, poor environmental condi- tion, but most of all it they aimed to create the foun- dations of a market economy. Many state-owned en- terprises were unable to adapt to the new systemic conditions and collapsed. It had a particularly hard effect state agricultural farms (in Polish: PGR). More- over, globalization gaining in importance and the competitiveness of economies of other countries having a strong impact, especially in the conditions of serious state debt, were not conducive to the pro- cesses of economic transformation. Dissolution of the Council for Mutual Economic Assistance (CMEA) also had a negative impact on the economy, despite generally negative assessments of the functioning of this structure. The collapse of the Soviet market, with which the Polish economy was closely related, was also not without significance. The dissolution of the Warsaw Pact, a serious consumer of the produc- tion of the Polish arms industry, was among factors that also contributed to the collapse of this market. One thing is certain, in the situation of 1990, it was difficult to indicate such development factors, apart from direct foreign investments, which could ensure the fastest possible way out of this difficult situation. Undeniably, in the period after 1989, despite numer- ous difficulties and adversities, the dynamics of the Polish economy was gaining systematic momen- tum, which, unfortunately, was not accompanied by a marked improvement in the inhabitants’ living conditions11. In deliberations on development, as 11 The author of this text presents the view that the transfor- mation of the state, economy and society is still under way, al- though different progress has been achieved in each of these segments. The continuum of transformation, but also the cor- Polish economy in 1990–2018: Balance of development in new political conditions 5 well as factors and determinants of economic de- velopment, it seems that the hypothesis should be postulated that, despite different political orienta- tion and adopting its own development concepts, each government after 1990 aimed at economic revival and improvement in living conditions of the population. The lack of a long-term policy of socio- economic development, resulting from changes in governments in Poland after 1989, is undoubtedly one of the reasons for the described state of affairs (Tab. 1). Therefore, the economic development of 1990–2019 is a product of more or less success- ful moves in the economic and social sphere. De- spite this, the political instability manifested in the changes of political parties in power, and hence the directions and priorities of economic and social pol- icy, certainly did not help to overcome the existing difficulties and enter the path of stable, sustainable and relatively fast development12. Each new govern- ment after 1989 tried to implement its own vision of development, which, given the high degree of politi- cization of economic decisions as well as the failure to perceive, or tolerance for, pathologies that always accompany periods of revolutionary changes, could not bring the results expected by Poles. Continuity in the implementation of economic policy is one of the conditions for achieving economic success, assum- ing that a good model has been chosen and that the authorities’ actions are understood at least, or even better, accepted and supported by the public. The complete politicization of not only exercising power at all levels, but also of the economy, social changes and public life is, unfortunately, an obstacle to such actions. This is not good for the state or the economy, but above all for the society, which expects a greater share in consumption of effects of the expected de- velopment. Unfortunately, there is no indication that this situation will change in the near future. Moreo- ver, it is more likely that the political dispute will be aggravated even more, obviously to the detriment of the state, society and the economy. Poland’s membership in the structures of the Eu- ropean Union is certainly conducive to economic de- velopment, which is primarily related to the availabil- ity of the so-called aid funds, which are an important source of supporting and strengthening economic rection of its directions is noted and described in more detail by G.W. Kołodko (2007, 2009, 2010a, 2010b). 12 Looking at the matter in general, it can be concluded that the same intentions of those in power may lead to the adoption of different models, different priorities and different development concepts, which on the one hand leads to a dis- tortion and, on the other hand, to a change in the currently implemented development concept, and consequently to slowing down its pace (pace of development). cooperation in view of a lack of domestic capital13. The establishment of national (also regional) priori- ties for spending EU funds and their rational use is a completely different problem, although certain priorities and specific obligations in this matter are set and imposed by the European Union (Płowiec, 2004). As results from ministerial documents (the Ministry of Regional Development and the Ministry of Investment and Development), during the period of membership in the EU, a substantial stream of aid funds has come to Poland. In the years 2004–2006, it was the amount of €14 billion, in the years 2007– 2013 – €67.5 billion, and for the years 2014–2020 the amount is assumed to be €82.5 billion. Foreign di- rect investment was undoubtedly a major factor in Poland’s economic development after 1989. It also contributed to solving important, current problems of the transformation period, especially unemploy- ment, caused both by the collapse of many compa- nies in the centrally planned economy and by the necessity to restructure and modernize it. The crisis that started in 2008 was unfavorable to the Polish economic transformation and develop- ment, which is obvious in the situation of increas- ingly strong international economic and financial ties and progressing globalization. Still, the Polish economy has not been severely affected by this cri- sis, and the reasons for this situation are a source of dispute, not only among politicians, which may be understandable in the conditions of a fierce political struggle, but also among economists. Nevertheless, there was a slight weakening in the dynamics of the GDP growth and foreign investment as well as an in- crease in the unemployment rate (Tab. 3). In any case, compared to the situation of other European coun- tries, including EU members, the economic situation of Poland was relatively good. Taking into account the financial situation of the country, its geopoliti- cal situation, armed conflicts and international ter- rorism were and are still significant. Political tensions and threats to the country’s security have led to an increase in defense expenditure. The Polish armed forces required modernization and development, which as a process is still under implementation. The state’s defense policy is a separate issue, which, like the economic policy, does not show continuity with the changes of governments. Fortunately, there have been no terrorist attacks in the country yet, but the existing threat forces the authorities to take cost- ly preventive measures. 13 It is difficult to imagine a situation in which the current government in power would not strive for the highest pos- sible level of EU support. 6 Jerzy J. Parysek Apart from the internal political situation uncon- ducive to development, it is necessary to point out, if only briefly, other situations and processes which are certainly unconducive to economic and social development. Thus, the decline in the demographic dynamics and the ensuing aging of the population is a serious problem. The situation in this respect is worsened by the emigration of young, often well-ed- ucated Poles, causing an imbalance in the labor mar- ket, which results in the need to employ immigrants, not only from neighboring countries (Ukraine, Bela- rus) but also from distant ones (the Philippines, Vi- etnam, China, India). The number of both emigrants and immigrants is estimated at around 2.5 million people for each of these categories. Persistent income polarization is not favorable to development, especially social development, al- though positive changes in this respect should be noticed. An apartment is still an unattainable good for an average citizen, mainly due to the relation be- tween the price of the apartment and the income of the population (specifically, salaries and living costs). Despite the assurance of successive govern- ments, the health service, which is struggling with the problems most experienced by the inhabitants, especially the poorest ones, cannot get out of the crisis14. Moreover, the spread of both poverty and social pathologies as well as the difficulties in solving them is a serious problem. Development, especially at the local level, is not helped by the budget deficit and the increasing debt of local governments. On the one hand, this makes it difficult to solve the basic problems, especially in the field of technical and so- cial infrastructure, and on the other hand, it severely limits the possibilities of making own investments and using EU funds (the so-called own contribu- tion). There are probably more factors but also limi- tations to development. At this point, the Author has 14 Fighting the COVID-19 pandemic is a completely new and unexpected challenge. Tab. 1. Governments of the Republic of Poland after 1989 Prime Minister Period of performing the function Government coalition parties Political orientation Tadeusz Mazowiecki September 24, 1989 – November 25, 1990 “Solidarność”, PZPR, ZSL, UD The effect of the “Round Table” agreement (us and them) Krzysztof Bielecki January 12, 1991 – December 5, 1991 KLD, ZChN, PC, SD Christian–Democratic Jan Olszewski December 23, 1991 – July 10, 1992 PC, ZChN, PSL, PL Christian–Peasant Hanna Suchocka July 11, 1992 – October 18, 1993 UD, KLD, ZChN, PChD, PPPP, PSL, PL Democratic–Christian–Peasant Waldemar Pawlak October 26, 1993 – March 1, 1995 SLD, PSL Left-wing–Peasant Józef Oleksy March 6, 1995 – January 26, 1996 SLD, PSL Left-wing–Peasant Włodzimierz Cimosze- wicz February 7, 1996 – October 17, 1997 SLD, PSL Left-wing–Peasant Jerzy Buzek October 31, 1997– October 19, 2001 AWS, UW Christian–Democratic Leszek Miller October 19, 2001 – May 2, 2004 SLD, PSL, UP Left-wing–Peasant Marek Belka May 2, 2004 – May 19, 2004; June 11, 2004 – October 19, 2005 SLD, UP SLD Left-wing Left-wing Kazimierz Marcinkiewicz October 31, 2005 – July 10. 2006 PIS, Samoobrona, LPR Christian–Conservative Jarosław Kaczyński July 14, 2006 – November 5, 2007 PIS, Samoobrona, LPR Christian–Conservative Donald Tusk November 16, 2007 – November 18, 2011 November 18, 2011 – September 11, 2014 PO, PSL PO, PSL Liberal–Peasant Ewa Kopacz September 22, 2014 – November 16, 2015 PO, PSL Liberal– Peasant Beata Szydło November 16, 2015 – December 11, 2017 PIS, Solidarna Polska Christian–Conservative Mateusz Morawiecki December 11, 2017 – PIS, Solidarna Polska Christian–Conservative Source: own study. Polish economy in 1990–2018: Balance of development in new political conditions 7 limited himself to signaling what seems to be the most significant. 4. General characteristics of Poland’s socio-economic development in 1990–2019 in selected development categories 4.1. Introduction As written above, Polish literature concerning the Polish transformation is extremely rich and diverse. Unfortunately, works on the analysis of economic and social development since 1990 cover different periods. There are few papers trying to analyze eco- nomic development in general, based on data that are usually considered as basic. Moreover, publica- tions often refer to ongoing transformation plans and projects, which sometimes leads to, probably unintentionally, taking into account the political context. This primarily applies to those authors who, at a certain time, were associated to a varying de- gree with the structures of the changing power (Zagora-Jonsza, 2017). Despite these reservations, there are publications which describe the economic development of Poland after 1989 in various ge- neric cross-sections15. It should be emphasized once again that tables and figures, prepared on the basis of data from the Statistics Poland, are an important component of this study. Thanks to using them, it will be possible to conduct a more detailed analysis of development processes than it would seem from the presented text. 4.2. Demographic situation Although the Statistics Poland quotes the popula- tion of Poland as of the end of each year, it is impos- sible to precisely determine the number of inhabit- ants, mainly due to the lack of reliable information on international migrations16. Statistical data for 1990– 2018 indicate a fairly stable number of the country’s inhabitants, oscillating around 38 million people 15 Misala, Bukowski 2003; Chojnicki et al., 1999; Parysek 1997, 1999; Bałtowski, Miszewski 2006; Kolodko 2000, 2007, 2010a, 2010b; Kowalski 2009; Woźniak 2011; Bal-Woźniak, Woźniak 2011; Gomułka 2014; of course, there are more pub- lications of a similar nature; there are also foreign publica- tions devoted to the Polish transformation, at least partially (e.g. Slay 1994; Hare, Turley 2013). 16 It is assumed that there are currently about 2.5 million immigrants in Poland, mainly from Ukraine, but also from other countries, and that a significant number of Poles stay- ing abroad are still counted as residents of Poland, and that emigration and immigration are certainly do not balance each other. (Tab. 2). During this period, the lowest number of the population was recorded in 1990 (38,073,000), and the highest one in 1998 (38,667,000). However, the trajectory shows that there is no clear trend in Poland’s demographic development, although on a microscale (slight changes), it shows turbulence in this respect. There are two loops of changes, albeit small, in the number of people, which results from many various factors that are difficult to clearly iden- tify without detailed research (Fig. 1). This situation is also documented by the year-to-year dynamics of changes in the number of the population, with greater changes in the years 1994–1996 and 2009– 2011 (Tab. 3). The natural increase is at an unsatisfac- tory level, as in the analyzed period it dropped from 157,400 people in 1990 to -26,000 people in 2018. As in the case of the population number, the natural increase trajectory is also looped, yet only since 1998. Until then, there was a gradual decline in natural increase (Fig. 2). Until 1999, the dynamics of natural increase (year-to-year) shows a relative sta- bility, disturbed by changes in the years 1999–2001 which are difficult to explain, followed by a period of relative stability, lasting until 2013, and ending with a clear differentiation of dynamics (Tab. 3). The reasons for this state of affairs are, on the one hand, a low number of births (including the lowest fertility rate in Europe, 1.3), and, on the other hand, a high mortality rate17. This trend was marked in 2012 and, in various proportions (births:deaths), persisted until 2019 (see Tables 2 and 3 and Fig. 1 and 2). 17 The highest fertility rate is characteristic of countries open to immigrants, i.e. France, Great Britain, Ireland, Belgium, the Netherlands and Scandinavian countries (data for Germany are not available or are unreliable). Fig. 1. Number of the population – connected trajectory Source: Own study based on the data of Statistics Poland. 8 Jerzy J. Parysek Both professional activity and unemployment remain related to the population size and natural increase, as well as to the migration movement, difficult to define reliably, especially the economic emigration of Poles, and the condition of the econ- omy. The situation primarily results from the terrible state of the economy inherited from the old system in 1990, as well as from the course of the transfor- mation in the first years, called the shock or painful transformation for the population18. Although in the first years of the transformation the unemployment rate was not high, it should be remembered that in the years before 1990, such a category as unemploy- ment did not officially appear in the statistics. For ex- ample, in 1988 there were only 5,000 jobseekers for 430,000 job vacancies (Parysek, 1993). In subsequent years of the transformation, the unemployment rate showed cyclical changes in terms of nature (Tab. 2 and 3). Fluctuations in the unemployment rate are reflected in the trajectory, which shows three com- plete loops in the years 1990–2017, indicating clear non-linearity in the process of changes (Fig. 3). As in the case of changes in the size of the population and in the natural increase, the trajectory indicates great complexity of the causes of the situation, and thus the complexity of the transformation process. This situation is also confirmed by an analysis of the dynamics of changes in the year-to-year unemploy- ment rate (Tab. 3). The level of unemployment should 18 We will not learn the truth about the mistakes made in the first years of the transformation soon, because the inter- pretation of the taken economic decisions and their effects, especially after 2005, was part of a political conflict. However, representatives of the scientific community should not be part of it. be collated with the population’s professional activi- ty, which, similarly to the unemployment rate, shows periodic fluctuations. It is characteristic that in 2018 the situation in this respect returned to the initial state from 1990, i.e. to 16.5 million economically ac- tive people19. These are the two years in which the number of economically active people reached the highest level. The lowest level (13.6 million) was re- corded for 2004 (Tab. 2). The trajectory of changes in the economic activity of the development of entre- preneurship (the number of business entities) gen- erally indicates a decline in economic activity until 2003 and a renewed increase in subsequent years (Fig. 4). Thus, the reversal of the decline in economic 19 The number of employed people is the measure of pro- fessional activity of the population. Fig. 2. Natural increase – connected trajectory Source: Own study based on the data of Statistics Poland. Fig. 3. Unemployment rate – a connected trajectory Source: Own study based on the data of Statistics Poland. Fig. 4. Professional activity – connected trajectory Source: Own study based on the data of Statistics Poland. Polish economy in 1990–2018: Balance of development in new political conditions 9 activity in 2003 and a renewed growth are character- istic of the changes taking place in this respect. The dynamics of changes in the number of economically active people shows three culminations of growth: in the years 1992–1997, 2002–2007 and since 2010 a gradual increase, with variable year-to-year dy- namics. In the years 1991–1994, 1999–2003 and in 2010 and 2013, there was a negative growth rate in the number of economically active people (Tab. 2). 4.3. Economic development Gross Domestic Product (GDP) is a certain synthetic measure of the level of economic development. In the years 1990–2018, gross domestic product showed a steady, monotonic growth – specifically, from PLN 59.1 billion in 1990 to PLN 1,989.3 bil- lion in 201720. However, the trajectory points to the loop that characterized the GDP growth process in 1990–1994, i.e. in the first period of transformation. However, since 1994, the increase in the GDP value has shown a monotonic course, which indicates a certain stabilization of economic development (Tab. 2, Fig. 5). The dynamics of the year-to-year GDP growth, apart from the difficult to explain surge in the years 1993–1995, generally shows an even pace (Tab. 3). Overall, this situation seems to indicate the lack of major perturbations in the process of eco- nomic development, as measured by GDP, or at least their blurring by various processes that were not in- cluded in the conducted research. 20 The zloty redenomination in 1995 was taken into consid- eration in the GDP value; GDP values are expressed in prices of a given year, i.e. including inflation. The price index of goods and services (inflation) decreased systematically, though not monotoni- cally. Hyperinflation recorded in 1990 at the level of 685.8% (the inflation rate of 585.8%) fell to 101.6% (the inflation rate of 1.6%) in 2017. This high level of increase in the prices of goods and services in the first years of transformation, called hyperinflation, began to take average values since 1997, and since 2002, low values, with slight increases in the period until 2018 (Tab. 2). The trajectory of changes shows a dynamic, but gradually weakening, decline in in- flation until 1998, followed by a disturbance of the falling trend in this process (Fig. 6). In the period up to 2018, there is a year-to-year change in the level of inflation, with a zero level in 2014, deflation in 2015 (99.1%) and 2016 (99.4%) and a slight increase again in the following years. The year-to-year dynamics steadily decreased until 1993, gradually stabilizing over time, at the level of 101–102% (Tab. 2 and 3). Based on the results of the conducted research, one can ascertain a progressing process of price stabi- lization in which the economic crisis of 2008–2011 was not clearly marked. Privatization of the economy was one of its most important changes, whose result, but also a meas- ure with all the weaknesses of this indicator, may be the number of economic entities. The number of economic entities increased from 1,205,500 in 1990 to 4,365,400 in 2018. The increase was monotonic, and statistically documented disturbances to this monotony were slight. The course of this process is documented by both statistical data and the trajec- tory (Tables 2 and 3, Fig. 7). Fig. 5. Gross domestic product (GDP) – connected trajec- tory Source: Own study based on the data of Statistics Poland. Fig. 6. Inflation rate – connected trajectory Source: Own study based on the data of Statistics Poland. 10 Jerzy J. Parysek Undoubtedly, investments were of decisive im- portance for the entire economic transformation and for the socio-economic development during the research period. While in 1990 they amounted to a total of PLN 11.6 billion, in 2017 this was already the amount of 267 billion zloty. Also in this case, the increase in investment outlays was monotonic, with a greater forward leap in 2006–2008, stability in 2008–2010, another significant increase in 2011– 2015 and a slight weakening in investment in 2016 and 2017 (Tab. 2). Taking into account the fact that the total amount of outlays includes all the outlays incurred in subsequent years, regardless of their source, also in this case it is difficult to point to a spe- cific cause of the disturbance in the monotonicity of growth in 2010–2017. In principle, the trajectory of the investment process shows a monotonic increase in which, however, there are two periods of distur- bance of this process. The first one is the “loop” of 1998–2004 and the disruptions after 2009 (Fig.  8). On the other hand, the dynamics of investment out- lays shows gradually decreasing irregularities. In the years 2000–2002, 2009–2010, 2011–2013 and 2015– 2016 there was a decrease (below 100%) in the dy- namics of outlays (Tab. 3). Just as the indicators taken into account so far indicated progressing economic development, the financial result of the state budget (balance) shows continuing imbalance in the budget. In fact, only in 1990 there was a surplus of income over expendi- ture, at the level of 2.4 billion zloty. Since then, there has been a budget deficit which in different years had different values, the largest being 46.1 billion in 2016 and 44.6 billion in 2010, 42.6 billion in 2015, 42.2 billion in 2013 and 41.4 billion in 2004. How- ever, it is positive that in 2018 it decreased to the level of 10.4 billion zloty, the lowest level since 1999 (Tab. 2). However, in this assessment category it is important to compare the deficit to GDP. Thus, the largest share of the budget deficit in GDP was the years: 1992 (6.0%), 2002 (4.9%), 2003 and 2004 (4.4% each), 2001–2004 (over 4% in each year), 1991 (3.7%) and 2010 (3.1%). The trajectory of the budget deficit shows an extremely complicated course, which is due to the lack of a clear and unequivocal trend in this respect. There were relatively clear trends only in 1997– 2001  – a general increase in the deficit, and after 2015 – a decrease in the deficit (Fig. 9). The dynam- ics of the budget deficit shows abrupt changes in pace. The improvement in the situation can concern the years 1992–1993, 1996–1997, 2004–2007, 2010– 2011, 2013–2014 and after 2015 (Tab. 3). However, the budget deficit will always be a product of the economic situation, and more specifically the bal- ancing of the possibilities and needs, which results both from the economic policy of the state (and its successes or failures) and from the social policy (the possibility of satisfying the range of unmet needs and social expectations). 4.4. Standard of living of the inhabitants The description and assessment of the changes in the discussed field, which can be taken as the as- sessment of the living conditions of the population, were clearly defined by the availability of a series of data. One should also keep in mind that the stand- ard of living of the population (of course, also the indicators taken into account) was influenced by such processes as: inflation, redenomination of the zloty, freeing the housing market and an increase in house prices, as well as changes in the consumption Fig. 7. Economic entities – connected trajectory Source: Own study based on the data of Statistics Poland. Fig. 8. Investment outlays – connected trajectory Source: Own study based on the data of Statistics Poland. Polish economy in 1990–2018: Balance of development in new political conditions 11 structure and a relative decrease in car prices, along with a high demand for this particular good that is of a prestigious character in Polish conditions, which is not justified by the financial situation of the popu- lation (Parysek, 2016). However, remuneration is, above all, the main factor shaping the income of the population. In the period 1990-2018, the average remu- neration increased from PLN 102.96 in 1990 to PLN 4,834.76 in 2018 (Tab. 2)21. The trajectory of the growth of the average salary takes the form of a straight line, indicating a monotonic increase (Fig.  10). Under- standably, after years of gradual and serious decline in the living standard of the inhabitants (until 1990), 21 However, remuneration estimated by Statistics Poland in 1990, after recalculations and corrections, seems to be defi- nitely too low the increase in remuneration in the first years of the transformation had to show high dynamics, much greater than in later years. Until 2000, the dynamics was generally weakening, and in the following years, it stabilized at the level of 103–110%, changing from year to year (Tab. 2 and 3). The standard of living may also be demonstrat- ed by the housing situation (specifically, the apart- ment area). Housing resources in the analyzed pe- riod increased from 11,180,000 dwellings in 1990 to 14,615,000 in 2018, with only a slightly higher num- ber of inhabitants (38.4 million in 2018 compared to 38.1 million in 1990). Such a situation generally indi- cates an improvement in the situation in this respect (Tab. 2). However, one should remember that the statistics include both inhabited and uninhabited dwellings (abandoned due to degradation and un- inhabited due to the high cost of purchase or rent). While in 1990 there were 3.4 people per 1 dwelling, in 2018 – these were 2.6 people, and this, despite the above-mentioned reservations, indicates a cer- tain improvement in the standard of living, namely in terms of residence. The trajectory of the increase in housing resources shows a monotonic increase, with a greater increase in the years 2000–2002 (Fig. 11). The dynamics, excluding its slight weaken- ing in 1992–1994 and surge in 2001–2002, indicates a stable situation in this respect. The dynamics os- cillates around the level of the indicator being from 100.05% to 100.1% (Tab. 3). Despite these doubts, a certain improvement in the housing situation has probably become a fact. The number of passenger cars that are regis- tered and probably used by residents (but also by companies) seems to be a much better indicator of the standard of living (wealth of the society). The number of cars increased from 5,261,000 in 1990 to Fig. 9. Financial result of the state budget – connected tra- jectory Source: Own study based on the data of Statistics Poland. Fig. 10. Average monthly salary – connected trajectory Source: Own study based on the data of Statistics Poland. Fig. 11. Housing resources – connected trajectory Source: Own study based on the data of Statistics Poland. 12 Jerzy J. Parysek 23,429,000 in 2018. It is almost 4.5 times more than in the base year (Tab. 2). The respective indicators per 1,000 inhabitants were at the level of 130 cars per 1,000 inhabitants in 1990 and 610 cars per 1,000 inhabitants. The latter indicator is one of the high- est, not only in Europe but also in the world. The car in Poland has unexpectedly become the most desir- able good, which is not justified either by the level of income or by the consumption structure (Parysek, 2016). The trajectory of the increase in the number of cars has a rectilinear course, which indicates the monotonicity of the increase in the number of cars and the undisturbed course of this process and in- directly, the gradual increase in the level of wealth of the country’s inhabitants (Fig. 12). However, this does not mean the same dynamics from year to year. Although the pace of growth in the number of pas- senger cars was gradually decreasing, after a sharp decline until 1993, it oscillated around 105–106%, with a greater increase in 2005–2008. Since 2010, it has leveled off and, with slight fluctuations, re- mained at the level of 104% (Tab. 3). 5. Economic development and the standard of living of the population Although the statistical data collected for the years 1990–2018 show a link between economic and social development, which should be the case in healthy economies, they do not provide a basis for determining, and especially dimensioning, the im- pact of the economy on the standard of living of the inhabitants. However, some conclusions can be drawn from the correlation and regression analy- sis. The correlation analysis between series of list- ed features allowed distinguishing two clusters of correlated features. The first cluster consists of fea- tures describing: GDP, investment outlays, economic entities, economic activity, remuneration, housing situation, number of cars and the population size (with relatively high correlation coefficients). This allows for the conclusion that in the analyzed pe- riod, economic development, measured in terms of: GDP, investment, entrepreneurship and professional activity, resulted in social development, which was reflected in an increase in salaries, an improvement in the housing situation and progressing individual motorization (the number of passenger cars). Simul- taneously, this it allows considering the discussed in- dicators to be quite good to describe the economic and social situation. The second cluster is also cre- ated by quite clearly correlated features (although at a lower level than the above-mentioned ones): population growth, inflation, unemployment and public debt, which generally have a negative impact on economic development, and indirectly also on the standard of living of the population. By formulating equations in which the explained variables included GDP as a measure of the level of economic development and remuneration as a measure of the standard of living, regression anal- ysis enabled refining the relationships indicated by the calculated correlation coefficients. In the model aiming to estimate the effect of in- dependent variables on the dependent variable GDP (y), the following variables were considered that de- scribe economic activity (x1) and capital expenditure (x3), which theoretically have a positive impact on the level of GDP, and inflation (x2), unemployment (x4) and budget deficit (x5) which have a negative im- pact on the level of GDP. In the calculation procedure in which variables with a negligible impact on the level of the dependent variable (GDP) were gradu- ally eliminated, the following form of the regression equation was obtained: y=80,266.4+6.269x3–6.03x5, with the coefficient of determination R2=97.42%. This means that the gross domestic product (GDP) is mainly affected by investments (x3), having a posi- tive effect, and by the budget deficit (x5), having a negative effect. This is only a confirmation of gen- erally accepted regularities, yet obtained as a result of the conducted calculations. The model aiming to estimate the effect of in- dependent variables on remuneration (dependent variable y) includes variables describing: level of entrepreneurship (x1) and investment outlays (x3), which theoretically have a positive impact on the re- muneration level, and inflation (x2), unemployment (x4) and budget deficit (x5) having a negative impact on the remuneration level. In the calculation proce- dure in which, as in the case of the first model (GDP), Fig. 12. Passenger cars – connected trajectory Source: Own study based on the data of Statistics Poland. Polish economy in 1990–2018: Balance of development in new political conditions 13 variables with a negligible impact on the remunera- tion level were gradually eliminated, the follow- ing form of the regression equation was obtained: y=80.996+0.0134x3–0.0207x5, with the coefficient of determination R2=98.04%. This means that invest- ments (x3) are the basic factor influencing the remu- neration level, while the state budget deficit (x5) has a negative effect. In other words, investments are the main factor of both economic and social devel- opment, and the budget deficit is a brake on devel- opment – obvious, but now confirmed by research. 6. Conclusions The results of the conducted research allow formu- lating the following final conclusions: The economic transformation of Poland after 1989, just like the political and social transforma- tion, was a serious problem whose solution was de- termined by many, sometimes complex factors and conditions of an endogenous and exogenous nature. Assessed on the basis of the discussed indicators, economic development, which is both a component and a result of systemic transformation, generally proceeded without major complications in the years 1990–2018. The results obtained in the field of economic development concern Poland as a whole, with full awareness of interregional differences in the cross- sections of features taken into account. The same applies to the standard of living, which additionally differs in social cross-sections. The above-mentioned situation does not mean that in the case of more detailed approaches to the issues of development, it will not be possible to indicate not only some disruptions in the course of the development process, but also errors or shortcomings. GDP, the number of economic entities, average remuneration, as well as the number of dwellings and passenger cars basically manifest a monotonic uninterrupted growth in the period of 1990–2018. Some disturbances of monotonicity, but generally an improvement in the situation, concern: the natu- ral increase (since 1996), investments (disturbances in 1997–2004 and since 2008), and inflation (since 1998). On the other hand, serious disturbances in development in the years 1990–2018 were shown by: the financial result of the state budget, the num- ber of economically active persons, unemployment and the number of the population, although the lat- ter was slightly changing (see Fig. 1–12). On the one hand, features relating to economic development, such as GDP, investments, economic entities and professional activity, as well as features that can be identified with the effects of develop- ment, i.e. the average salary and the number of dwellings and passenger cars were correlated. On the other hand, such features as inflation, unem- ployment and public debt, which do not reflect well on economic development or even hinder this de- velopment, as well as the gradually declining birth rate were also correlated. 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Selected indicators of the economic and social development of Poland in the years 1990–2018 YEAR Population (in thousand people) Natural increase (in thousand people) Unemploy- ment rate (in %) Economic activity (in thousand people) Total GDP (PLN billion) Inflation (in %) Business entities (in thou- sands) Investment outlays (in million PLN) Financial result of the state budget (in million PLN) Average monthly salary (in PLN) Housing resources (in thousand dwellings) Passenger cars (in thousand) 1990 38,073 157.40 6.50 16,474 59.15 685.80 1,205.48 11,581.00 2,439.20 102.96 11,180 5,261 1991 38,144 142.00 11.40 15,861 82.43 170.30 1,504.80 16,883.70 –3,097.30 177.00 11,309 6,112 1992 38,203 120.50 13.70 15,135 114.24 142.40 1,731.66 20,159.70 –6,911.50 348.33 11,437 6,505 1993 38,239 102.00 14.90 14,772 155.78 135.30 1,896.90 24,715.90 –4,342.00 466.05 11,524 6,771 1994 38,265 94.90 16.00 14,747 210.41 132.20 2,163.05 33,865.10 –5,739.80 628.08 11,434 7,153 1995 38,609 47.03 14.90 14,791 301.35 127.80 2,112.70 47,144.70 –7,448.00 702.62 11,491 7,517 1996 38,639 42.71 13.20 14,969 382.55 119.90 2,414.18 65,622.00 –9,167.20 873.00 11,547 8,054 1997 38,660 32.43 10.30 15,177 465.67 114.90 2,599.04 90,437.70 –2,182.60 1,061.93 11,613 8,533 1998 38,667 20.27 7.88 15,356 549.47 111.80 2,844.26 112,813.50 –3,296.60 1,239.49 11,688 8,891 1999 38,263 0.59 10.20 14,757 615.12 107.30 3,041.40 125,954.42 –12,479.00 1,706.74 11,763 9,283 2000 38,254 10.32 11.62 14,526 747.03 110.10 3,186.70 133,160.16 –15,391.00 1,923.81 11,845 9,991 2001 38,242 4.99 13.24 14,207 779.98 105.50 3,325.54 121,362.88 –32,358.30 2,061.85 11,946 10,503 2002 38,219 –5.72 13.52 13,782 810.62 101.90 3,468.22 109,265.86 –39,402.60 2,239.56 12,438 11,029 2003 38,191 –14.16 13.21 13,617 845.93 100.80 3,581.59 110,859.78 –37,043.00 2,314.66 12,596 11,244 2004 38,174 –7.39 19.00 13,795 933.06 103.50 3,576.83 120,466.71 –41,417.00 2,409.69 12,683 11,975 2005 38,157 –3.90 17.60 14,116 990.47 102.10 3,615.62 131,054.93 –28,361.00 2,506.93 12,776 12,339 2006 38,125 4.56 14.80 14,594 1,069.82 101.00 3,636.04 154,880.28 –25,063.00 2,636.81 12,877 13,384 2007 38,116 10.65 11.20 15,241 1,187.61 102.50 3,685.61 191,713.54 –15,956.00 2,866.04 12,994 14,589 2008 38,136 35.10 9.50 15,800 1,286.07 104.20 3,757.09 217,259.71 –24,346.00 3,158.48 13,150 16,080 2009 38,167 32.65 12.10 15,868 1,372.21 103.50 3,742.67 218,580.91 –23,845.00 3,315.38 13,302 16,495 2010 38,530 34.82 12.40 15,473 1,445.30 102.60 3,909.80 217,287.28 –44,591.00 3,435.00 13,470 17,240 2011 38,538 12.92 12.50 15,562 1,566.82 104.30 3,869.90 243,346.19 –25,124.00 3,625.21 13,587 18,125 2012 38,533 1.47 13.40 15,591 1,629.43 103.70 3,975.33 237,627.29 –30,407.00 3,744.38 13,723 18,744 2013 38,496 –17.74 13.40 15,568 1,656.90 100.90 4,070.26 231,155.49 –42,194.00 3,877.43 13,853 19,389 2014 38,479 –1.31 11.40 15,862 1,720.43 100.00 4,119.67 250,776.38 –28,977.00 4,003.99 13,983 20,004 2015 38,437 –25.61 9.70 16,084 1,800.24 99.10 4,184.41 271,839.28 –42,607.00 4,150.86 14,119 20,723 2016 38,433 –5.75 8.20 16,197 1,861.15 99.40 4,237.69 244,429.03 –46,160.00 4,290.52 14,272 21,675 2017 38,434 –0.87 6.60 16,423 1,989.35 102.00 4,309.80 257,966.04 –25,354.00 4,527.89 14,440 22,504 2018 38,411 –26.022 5.80 16,484 . 101.60 4,365.38 . –10,406.00 4,834.76 14,615 23,429 Source: Own study based on the data of Statistics Poland. Table 3. Dynamics of economic and social development in Poland in 1990–2018 (year-to-year) YEAR Population (in thousand people) Natural increase (in thousand people) Unemploy- ment rate (in %) Economic activity (in thousand people) Total GDP (billion PLN) Inflation (in %) Business entities (in thou- sands) Investment outlays (in million PLN) Financial result of the state budget (in million PLN) Average monthly salary (in PLN) Housing resources (in thousand dwellings) Passenger cars (in thousand) 1991/1990 100.19 90.22 175.38 96.28 139.36 24.83 124.83 145.79 –126.98 171.91 101.15 116.18 1992/1991 100.15 84.86 120.18 95.42 138.59 83.62 115.08 119.40 223.15 196.80 101.13 106.43 1993/1992 100.09 84.65 108.76 97.60 136.36 95.01 109.54 122.60 62.82 133.80 100.76 104.09 1994/1993 100.07 93.04 107.38 99.83 135.07 97.71 114.03 137.02 132.19 134.77 99.22 105.78 1995/1994 100.90 49.55 93.13 100.30 143.22 96.67 97.67 139.21 129.76 111.87 100.50 104.15 1996/1995 100.08 90.82 88.59 101.20 126.94 93.82 114.27 139.19 123.08 124.25 100.49 107.06 1997/1996 100.05 75.95 78.03 101.39 121.73 95.83 107.66 137.82 23.81 121.64 100.57 105.89 1998/1997 100.02 62.48 76.50 101.18 118.00 97.30 109.43 124.74 151.04 116.72 100.65 104.18 1999/1998 98.96 2.90 129.44 96.10 111.95 95.97 106.93 111.65 378.54 137.70 100.65 105.36 2000/1999 99.98 1,758.09 113.92 98.43 121.45 102.61 104.78 105.72 123.34 112.72 100.69 107.63 2001/2000 99.97 48.30 113.94 97.80 104.41 95.82 104.36 91.14 210.24 107.18 100.85 105.12 2002/2001 99.94 –114.76 102.11 97.01 103.93 96.59 104.29 90.03 121.77 108.62 104.12 105.28 2003/2002 99.93 247.47 97.71 98.80 104.36 98.92 103.27 101.46 94.01 103.35 101.27 102.01 2004/2003 99.96 52.20 143.83 101.31 110.30 102.68 99.87 108.67 111.81 104.11 100.69 106.56 2005/2004 99.96 52.79 92.63 102.33 106.15 98.65 101.08 108.79 68.48 104.04 100.73 103.09 2006/2005 99.92 –116.81 84.09 103.39 108.01 98.92 100.56 118.18 88.37 105.18 100.79 108.57 2007/2006 99.97 233.59 75.68 104.43 111.01 101.49 101.36 123.78 63.66 108.69 100.91 109.00 2008/2007 100.05 329.67 84.82 103.67 108.29 101.66 101.94 113.33 152.58 110.20 101.21 110.16 2009/2008 100.08 93.02 127.37 100.43 106.70 99.33 99.62 100.61 97.94 104.97 101.16 102.51 2010/2009 100.95 106.66 102.48 97.51 105.33 99.13 104.47 99.41 187.00 103.61 101.26 103.52 2011/2010 100.02 37.09 100.81 100.58 108.41 101.66 98.98 111.99 56.34 105.54 100.87 105.12 2012/2011 99.99 11.37 107.20 100.19 104.00 99.42 102.72 97.65 121.03 103.29 101.00 103.42 2013/2012 99.90 –1,207.35 100.00 99.85 101.69 97.30 102.39 97.28 138.76 103.55 100.95 103.56 2014/2013 99.96 7.37 85.07 101.89 103.83 99.11 101.21 108.49 68.68 103.26 100.94 103.22 2015/2014 99.89 1,959.68 85.09 101.40 104.64 99.10 101.57 108.40 147.04 103.67 100.98 103.70 2016/2015 99.99 22.46 84.54 100.70 103.38 100.30 101.27 89.92 108.34 103.36 101.08 104.61 2017/2016 100.00 15.13 80.49 101.40 106.89 102.62 101.70 105.54 54.93 105.53 101.18 103.82 2018/2017 99.94 2,991.03 87.88 100.37 . 99.61 101.29 . 41.04 106.78 101.21 104.17 Source: Own study based on the data of Statistics Poland.