| Value | Category | Cases | |
|---|---|---|---|
| 0 | 94 |
71.2%
|
|
| 1 | None | 19 |
14.4%
|
| 2 | Lower technical degree | 3 |
2.3%
|
| 3 | Upper technical degree | 1 |
0.8%
|
| 4 | Technical college | 9 |
6.8%
|
| 5 | College/ university or higher | 6 |
4.5%
|
| Sysmiss | 2801 |