id	keyword
cpos-50	tempo
cpos-50	period
cpos-50	fertility
cpos-50	cohort
cpos-50	rates
cpos-50	tempo adjustment
cpos-50	indicators
cpos-50	period indicators
cpos-50	age
cpos-50	tempo effects
cpos-50	specifi
cpos-50	mortality
cpos-50	population
cpos-50	average
cpos-50	life
cpos-50	specifi c
cpos-50	fertility rates