| Value | Category | Cases | |
|---|---|---|---|
| 1 | Grade 6 | 1187 |
31.1%
|
| 2 | Grade 7 | 1163 |
30.5%
|
| 3 | Form 1 | 729 |
19.1%
|
| 4 | Form 2 | 732 |
19.2%
|
| Sysmiss | 29 |