| Value | Category | Cases | |
|---|---|---|---|
| 1 | 7th grade | 2 |
0.1%
|
| 2 | 8th grade | 456 |
34.1%
|
| 3 | 9th grade | 529 |
39.5%
|
| 4 | 10th grade | 350 |
26.2%
|
| 5 | 11th grade | 1 |
0.1%
|
| 6 | 12th grade | 0 |
0%
|
| Sysmiss | 19 |