Value | Category |
---|---|
1 | Graduate higher education |
2 | Basic higher education |
3 | Undergraduate higher education |
4 | High-school education |
5 | Basic secondary-level education |
6 | Elementary secondary education |
7 | No elementary education |
8 | Illiterate |
9 | Does not know, refuse to answer |
999 | |
Sysmiss |