| Value | Category | Cases | |
|---|---|---|---|
| 1 | primary | 90 |
48.1%
|
| 2 | lowest secondary | 49 |
26.2%
|
| 3 | upper secondary | 40 |
21.4%
|
| 4 | higher | 8 |
4.3%
|
| Sysmiss | 25 |