| Value | Category | Cases | |
|---|---|---|---|
| 0 | Pre-primary or none | 321 |
30.6%
|
| 1 | Primary | 168 |
16%
|
| 2 | Lower secondary | 182 |
17.4%
|
| 3 | Upper secondary or higher | 42 |
4%
|
| Sysmiss | 335 |
32%
|