| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 601 |
2.4%
|
| 1 | Primary | 1893 |
7.6%
|
| 2 | Lower secondary | 6153 |
24.6%
|
| 3 | Upper secondary | 10311 |
41.2%
|
| 4 | Higher | 6060 |
24.2%
|
| 9 | DK/Missing | 16 |
0.1%
|