| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2nd year of secondary school | 636 |
30.3%
|
| 2 | 3rd year of secondary school | 587 |
27.9%
|
| 3 | 1st year of upper secondary school | 452 |
21.5%
|
| 4 | 2nd year of upper secondary school | 426 |
20.3%
|
| Sysmiss | 94 |