| Value | Category | Cases | |
|---|---|---|---|
| 1 | 219 |
21.2%
|
|
| 4 | 1 |
0.1%
|
|
| 5 | 2 |
0.2%
|
|
| 6 | 23 |
2.2%
|
|
| 7 | 379 |
36.7%
|
|
| 8 | 359 |
34.8%
|
|
| 9 | Not in school | 50 |
4.8%
|
| Sysmiss | 237 |