| Value | Category | Cases | |
|---|---|---|---|
| 0 | Pre-primary or none | 16949 |
54.6%
|
| 1 | Primary | 3590 |
11.6%
|
| 2 | Middle | 1995 |
6.4%
|
| 3 | Secondary | 3334 |
10.7%
|
| 4 | Higher | 4371 |
14.1%
|
| Sysmiss | 804 |
2.6%
|