| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | primary | 195 |
74.7%
|
| 2 | secondary i | 52 |
19.9%
|
| 3 | secondary ii | 9 |
3.4%
|
| 4 | higher | 4 |
1.5%
|
| 8 | dk | 1 |
0.4%
|
| Sysmiss | 4882 |