| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 618 |
1.2%
|
| 2 | primary | 4164 |
7.9%
|
| 3 | secondary | 5982 |
11.3%
|
| 4 | higher | 997 |
1.9%
|
| 5 | father not in household | 14881 |
28.1%
|
| 9 | missing/dk | 35 |
0.1%
|
| Sysmiss | 26335 |
49.7%
|