| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 11 |
1.9%
|
| 2 | Certificate | 169 |
29.9%
|
| 3 | Diploma | 327 |
57.8%
|
| 4 | Advanced | 59 |
10.4%
|
| Sysmiss | 4 |