| Value | Category | Cases | |
|---|---|---|---|
| 1 | grade 3, middle school | 578 |
31.8%
|
| 2 | grade 1, high schooL | 612 |
33.7%
|
| 3 | grade 2, high school | 626 |
34.5%
|
| Sysmiss | 6 |