| Value | Category | Cases | |
|---|---|---|---|
| 0 | 33 |
1.6%
|
|
| 1 | None | 659 |
32.2%
|
| 2 | Lower technical degree | 213 |
10.4%
|
| 3 | Upper technical degree | 138 |
6.8%
|
| 4 | Technical college | 599 |
29.3%
|
| 5 | College/ university or higher | 402 |
19.7%
|
| Sysmiss | 889 |