| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 978 |
14.1%
|
| 1 | Primary | 1367 |
19.7%
|
| 2 | Lower secondary | 3175 |
45.6%
|
| 3 | Upper secondary or higher | 1380 |
19.8%
|
| 9 | DK/Missing | 56 |
0.8%
|