| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 184 |
10.9%
|
| 2 | No | 463 |
27.4%
|
| 3 | Still studying | 1025 |
60.7%
|
| 8 | DK | 17 |
1%
|
| 9 | 4 | ||
| Sysmiss | 1531 |