| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 14 |
8.4%
|
| 2 | No | 125 |
75.3%
|
| 8 | dk | 2 |
1.2%
|
| 9 | na | 25 |
15.1%
|
| Sysmiss | 161 |