Value | Category |
---|---|
-99 | Don't know |
-98 | Refused to answer |
-77 | Other (please specify) |
1 | Pre-school |
2 | Primary school |
3 | Secondary school |
4 | Tertiary education |
11 | .Z |
2147483622 | Don't know |
2147483623 | Refused to answer |
2147483647 | Not applicable |