| Value | Category | Cases | |
|---|---|---|---|
| 1 | 6th grade | 389 |
15.7%
|
| 2 | 7th grade | 389 |
15.7%
|
| 3 | 8th grade | 403 |
16.3%
|
| 4 | 9th grade | 372 |
15%
|
| 5 | 10th grade | 332 |
13.4%
|
| 6 | 11th grade | 314 |
12.7%
|
| 7 | 12th grade | 275 |
11.1%
|
| Sysmiss | 32 |