| Value | Category | Cases | |
|---|---|---|---|
| 0 | preschool | 6 |
20%
|
| 1 | primary | 18 |
60%
|
| 2 | secondary | 6 |
20%
|
| 3 | higher | 0 |
0%
|
| 8 | dk | 0 |
0%
|
| Sysmiss | 6362 |