| Value | Category |
|---|---|
| 1 | 1= I don't have education |
| 2 | 2= Kindergarten/preschool training |
| 3 | 3= Elementary |
| 4 | 4= Basic |
| 5 | 5= College/vocational school after basic |
| 6 | 6= Secondary |
| 7 | 7= College/vocational school after secondary |
| 8 | 8= Bachelor |
| 9 | 9= Master |
| 10 | 10= Candidate/Doctor of sciences |
| 11 | 11= Other (specify) |
| Sysmiss |