| Value | Category | Cases | |
|---|---|---|---|
| 1 | Comprehensive school or elementary school | 302 |
6%
|
| 2 | High school | 190 |
3.8%
|
| 3 | Vocational institute | 919 |
18.4%
|
| 4 | Vocational studies in addition to high school or vocational institute | 337 |
6.7%
|
| 5 | University or college | 779 |
15.6%
|
| 6 | I don't know | 2471 |
49.4%
|
| Sysmiss | 33 |