| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | primary | 119 |
64.3%
|
| 2 | secondary i | 49 |
26.5%
|
| 3 | secondary ii | 8 |
4.3%
|
| 4 | higher | 9 |
4.9%
|
| 8 | dk | 0 |
0%
|
| Sysmiss | 961 |