| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 291 |
1.2%
|
| 1 | Primary | 356 |
1.4%
|
| 2 | Lower secondary | 3098 |
12.4%
|
| 3 | Upper secondary | 2030 |
8.1%
|
| 4 | Higher | 1321 |
5.3%
|
| 9 | DK/Missing | 8 |
0%
|
| Sysmiss | 17930 |
71.6%
|