Value | Category |
---|---|
98 | no sabe/no recuerda |
99 | no responde |
1963 | |
1964 | |
1965 | |
1966 | |
1967 | |
1968 | |
1969 | |
1970 | |
1971 | |
1972 | |
1973 | |
1974 | |
1975 | |
1976 | |
1977 | |
1978 | |
1979 | |
1980 | |
1981 | |
1982 | |
1983 | |
1984 | |
1985 | |
1986 | |
1987 | |
1988 | |
1989 | |
1990 | |
1991 | |
1992 | |
1993 | |
9998 | |
Sysmiss |