Value | Category |
---|---|
1 | no schooling |
2 | unfinished elementary school |
3 | elementary school |
4 | vocational school -1-2 years |
5 | secondary, 3 years and school for skilled workers |
6 | second.4 years and school for highly skilled workers |
7 | gymnasium |
8 | post secondary |
9 | university |
10 | m.a. degree, specialization |
11 | doctorate |
98 | refusal |
99 | dontknow |