| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (SPONTANEOUS) | 2 |
100%
|
| 1 | University degree or higher | 0 | |
| 2 | Completed Secondary school including Vocational | 0 | |
| 3 | Preparatory or Incomplete Secondary school | 0 | |
| 4 | Completed Primary school | 0 |