| Value | Category | Cases | |
|---|---|---|---|
| 1 | Grade 7 | 626 |
30.4%
|
| 2 | Grade 8 | 587 |
28.5%
|
| 3 | Grade 9 | 459 |
22.3%
|
| 4 | Grade 10 | 388 |
18.8%
|
| Sysmiss | 49 |