| Value | Category | Cases | |
|---|---|---|---|
| 1 | Grade 7 | 475 |
31.3%
|
| 2 | Grade 8 | 461 |
30.3%
|
| 3 | Grade 9 | 341 |
22.4%
|
| 4 | Grade 10 | 243 |
16%
|
| Sysmiss | 16 |