| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 3038 |
28.4%
|
| 2 | no | 350 |
3.3%
|
| 3 | qualified yes | 6860 |
64.1%
|
| 9 | no response | 449 |
4.2%
|
| Sysmiss | 1 |