| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | primary | 29 |
69%
|
| 2 | secondary cycle 1 | 11 |
26.2%
|
| 3 | secondary cycle 1 | 2 |
4.8%
|
| 4 | higher | 0 |
0%
|
| 8 | don't know | 0 |
0%
|
| Sysmiss | 4770 |