| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 130 |
2.3%
|
| 2 | Certificate | 3096 |
54.1%
|
| 3 | Diploma | 2131 |
37.2%
|
| 4 | Advanced | 366 |
6.4%
|
| Sysmiss | 28 |