id	keyword
cpos-479	fertility
cpos-479	women
cpos-479	employment
cpos-479	countries
cpos-479	second
cpos-479	years
cpos-479	rst
cpos-479	european
cpos-479	family
cpos-479	child
cpos-479	birth
cpos-479	labour
cpos-479	work
cpos-479	childbirth
cpos-479	market
cpos-479	population
cpos-479	time
cpos-479	participation
cpos-479	research
cpos-479	fi rst
cpos-479	education
cpos-479	sig
cpos-479	germany
cpos-479	italy
cpos-479	working
cpos-479	ref