| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | primary | 267 |
46.8%
|
| 2 | secondary i | 146 |
25.6%
|
| 3 | secondary ii | 94 |
16.5%
|
| 4 | higher | 63 |
11.1%
|
| 8 | dk | 0 |
0%
|
| Sysmiss | 1275 |