| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | primary | 101 |
80.2%
|
| 2 | secondary i | 19 |
15.1%
|
| 3 | secondary ii | 3 |
2.4%
|
| 4 | higher | 2 |
1.6%
|
| 8 | dk | 1 |
0.8%
|
| Sysmiss | 5017 |