| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 92 |
6.1%
|
| 1 | Primary | 530 |
35.2%
|
| 2 | Secondary | 517 |
34.4%
|
| 3 | Matriculation/post | 366 |
24.3%
|
| Sysmiss | 21 |