| Value | Category | Cases | |
|---|---|---|---|
| 0 | Pre-primary or none | 114 |
18.8%
|
| 1 | Primary | 225 |
37.1%
|
| 2 | Lower secondary | 122 |
20.1%
|
| 3 | Upper secondary or higher | 13 |
2.1%
|
| Sysmiss | 132 |
21.8%
|