| Value | Category | Cases | |
|---|---|---|---|
| 0 | preschool | 0 |
0%
|
| 1 | primary | 10 |
16.4%
|
| 2 | secondary | 47 |
77%
|
| 3 | higher | 3 |
4.9%
|
| 8 | dk | 1 |
1.6%
|
| Sysmiss | 6331 |