| Value | Category | Cases | |
|---|---|---|---|
| 1 | primary | 8255 |
77.8%
|
| 2 | lower secondary | 1829 |
17.2%
|
| 3 | upper secondary | 474 |
4.5%
|
| 4 | higher | 47 |
0.4%
|
| Sysmiss | 5380 |