id	keyword
cpos-54	fertility
cpos-54	tfr
cpos-54	period
cpos-54	period tfr
cpos-54	population
cpos-54	policy
cpos-54	family
cpos-54	women
cpos-54	period fertility
cpos-54	sobotka
cpos-54	birth
cpos-54	tempo
cpos-54	age
cpos-54	cohort
cpos-54	parity
cpos-54	rst
cpos-54	size
cpos-54	doi
cpos-54	europe
cpos-54	childbearing
cpos-54	measures