| Value | Category | Cases | |
|---|---|---|---|
| 1 | Primary 6 | 345 |
19%
|
| 2 | Form 1 | 497 |
27.4%
|
| 3 | Form 2 | 376 |
20.7%
|
| 4 | Form 3 | 599 |
33%
|
| Sysmiss | 13 |