| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 81 |
0.3%
|
| 1 | Primary | 207 |
0.8%
|
| 2 | Lower secondary | 1355 |
5.4%
|
| 3 | Upper secondary | 3302 |
13.2%
|
| 4 | Higher | 1610 |
6.4%
|
| 7 | Biological father not in the household | 558 |
2.2%
|
| Sysmiss | 17921 |
71.6%
|