| Value | Category | Cases | |
|---|---|---|---|
| 1 | Elevé | 56 |
5.7%
|
| 2 | Moyen supérieur | 311 |
31.6%
|
| 3 | Moyen inférieur | 471 |
47.9%
|
| 4 | Bas | 118 |
12%
|
| 9 | nr | 0 |
0%
|
| Sysmiss | 28 |
2.8%
|