| Value | Category | Cases | |
|---|---|---|---|
| 0 | Pre-primary or none | 904 |
8.2%
|
| 1 | Primary | 2253 |
20.5%
|
| 3 | Secondary | 4780 |
43.4%
|
| 4 | Higher | 2622 |
23.8%
|
| Sysmiss | 458 |
4.2%
|