| Value | Category | Cases | |
|---|---|---|---|
| 0 | pre-primary | 130 |
3%
|
| 1 | primary | 3712 |
85.1%
|
| 2 | secondary lower | 394 |
9%
|
| 3 | secondary upper | 110 |
2.5%
|
| 4 | higher | 15 |
0.3%
|
| 8 | dk | 0 |
0%
|
| Sysmiss | 7875 |