| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | primary | 546 |
39.8%
|
| 2 | secondary i | 237 |
17.3%
|
| 3 | secondary ii | 116 |
8.5%
|
| 4 | higher | 176 |
12.8%
|
| 8 | dk | 296 |
21.6%
|
| Sysmiss | 4983 |