Compare	File	Name	Label
	F1	PT1991A_0027	Household type
	F1	PT1991A_0028	Type of living quarter
	F2	PT1991A_0418	Place of usual residence on December 31, 1989
	F2	PT1991A_0419	Country of usual residence on December 31, 1989
	F2	PT1991A_0420	EU subregion of residence on December 31, 1989
	F2	PT1991A_0421	Place of usual residence on December 31, 1985
	F2	PT1991A_0422	Country of usual residence on December 31, 1985
	F2	PT1991A_0423	EU subregion of usual residence on December 31, 1985
	F2	PT1991A_0424	EU subregion of birth
	F2	PT1991A_0425	Place of birth
	F2	PT1991A_0426	Country of birth
	F2	PT1991A_0427	EU subregion of work or study
	F2	PT1991A_0428	Place of work or study