| Value | Category | Cases | |
|---|---|---|---|
| 1 | 7th grade | 7 |
0.5%
|
| 2 | 8th grade | 461 |
35.4%
|
| 3 | 9th grade | 467 |
35.9%
|
| 4 | 10th grade | 364 |
28%
|
| 5 | 11th grade | 2 |
0.2%
|
| Sysmiss | 8 |