| Value | Category | Cases | |
|---|---|---|---|
| 1 | 8th classe | 295 |
15.6%
|
| 2 | 9th classe | 197 |
10.4%
|
| 3 | 10th classe | 901 |
47.7%
|
| 4 | 11th classe | 271 |
14.3%
|
| 5 | 12th classe | 226 |
12%
|
| Sysmiss | 28 |