| Value | Category | Cases | |
|---|---|---|---|
| 1 | Primary | 214 |
5.1%
|
| 2 | Secondary | 1002 |
24.1%
|
| 3 | University | 1607 |
38.6%
|
| 4 | I do not know. | 1339 |
32.2%
|
| Sysmiss | 64 |