| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 1271 |
35.3%
|
| 1 | Primary | 952 |
26.4%
|
| 2 | Lower secondary | 1206 |
33.5%
|
| 3 | Upper secondary or higher | 171 |
4.7%
|
| 9 | Missing | 5 |
0.1%
|