id	keyword
american_scientific_journal-2704	tax
american_scientific_journal-2704	gdp
american_scientific_journal-2704	share
american_scientific_journal-2704	trade
american_scientific_journal-2704	ratio
american_scientific_journal-2704	revenue
american_scientific_journal-2704	countries
american_scientific_journal-2704	gdp ratio
american_scientific_journal-2704	east
american_scientific_journal-2704	liberalization
american_scientific_journal-2704	asia
american_scientific_journal-2704	lao
american_scientific_journal-2704	percent
american_scientific_journal-2704	tax revenue