| Value | Category | Cases | |
|---|---|---|---|
| 1 | SIXTH class primary school | 1444 |
29.2%
|
| 2 | SEVENTH class primary school | 1391 |
28.2%
|
| 3 | EIGHTH class primary school | 1396 |
28.3%
|
| 4 | FIRST class secondary school | 710 |
14.4%
|
| Sysmiss | 97 |