| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no education, preschool | 0 |
0%
|
| 1 | primary | 6 |
14%
|
| 2 | secondary : 1st cycle | 20 |
46.5%
|
| 3 | secondary : 2nd cycle | 15 |
34.9%
|
| 4 | higher | 2 |
4.7%
|
| 8 | dk | 0 |
0%
|
| Sysmiss | 9054 |