| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 25 |
67.6%
|
| 2 | No | 8 |
21.6%
|
| 8 | dk | 0 |
0%
|
| 9 | na | 4 |
10.8%
|
| Sysmiss | 173 |