| Value | Category | Cases | |
|---|---|---|---|
| 1 | 7th grade | 1 |
0%
|
| 2 | 8th grade | 965 |
29.1%
|
| 3 | 9th grade | 842 |
25.4%
|
| 4 | 10th grade | 484 |
14.6%
|
| 5 | 11th grade | 682 |
20.6%
|
| 6 | 12th grade | 339 |
10.2%
|
| Sysmiss | 18 |