| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 35 |
76.1%
|
| 1 | Yes | 4 |
8.7%
|
| 8 | dk | 4 |
8.7%
|
| 9 | No response | 3 |
6.5%
|
| Sysmiss | 30 |