Compare	File	Name	Label
	F2	ES1981A_0409	Year of change of municipality
	F2	ES1981A_0410	Province or country of residence in 1970
	F2	ES1981A_0419	Employment status
	F2	ES1981A_0422	Class of worker
	F2	ES1981A_0423	Number of children born alive
	F2	ES1981A_0431	Socioeconomic condition