| Value | Category | Cases | |
|---|---|---|---|
| 1 | 7th grade | 263 |
20.1%
|
| 2 | 8th grade | 231 |
17.7%
|
| 3 | 9th grade | 273 |
20.9%
|
| 4 | 10th grade | 186 |
14.2%
|
| 5 | 11th grade | 192 |
14.7%
|
| 6 | 12th grade | 162 |
12.4%
|
| Sysmiss | 11 |