| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | primary | 541 |
77.6%
|
| 2 | secondary i | 119 |
17.1%
|
| 3 | secondary ii | 24 |
3.4%
|
| 4 | higher | 9 |
1.3%
|
| 8 | dk | 4 |
0.6%
|
| Sysmiss | 4446 |