| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 966 |
13.9%
|
| 1 | Primary | 770 |
11.1%
|
| 2 | Lower secondary | 966 |
13.9%
|
| 3 | Upper secondary or higher | 163 |
2.3%
|
| 9 | DK/Missing | 8 |
0.1%
|
| Sysmiss | 4083 |
58.7%
|