| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | primary | 134 |
57.8%
|
| 2 | secondary i | 49 |
21.1%
|
| 3 | secondary ii | 25 |
10.8%
|
| 4 | higher | 24 |
10.3%
|
| 8 | dk | 0 |
0%
|
| Sysmiss | 914 |