| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 6 |
3.6%
|
| 2 | No | 105 |
63.3%
|
| 8 | dk | 3 |
1.8%
|
| 9 | na | 52 |
31.3%
|
| Sysmiss | 161 |