| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 9 |
32.1%
|
| 2 | No | 18 |
64.3%
|
| 8 | dk | 0 |
0%
|
| 9 | na | 1 |
3.6%
|
| Sysmiss | 170 |