| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 30749 |
46.4%
|
| 2 | Primary | 21109 |
31.8%
|
| 3 | Lower secondary | 5953 |
9%
|
| 4 | Upper secondary | 6017 |
9.1%
|
| 5 | University | 2475 |
3.7%
|
| Sysmiss | 36259 |