Value | Category |
---|---|
1 | never read and write |
2 | read and write |
3 | primary |
4 | middle school |
5 | pre-high school voc. |
6 | pre-high school not voc. |
7 | vocational high school diploma |
8 | high school |
9 | diplma after high school |
10 | university degree |
11 | diploma after university |
12 | master degree |
13 | phd |
14 | others |
Sysmiss |