| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 54 |
67.5%
|
| 2 | No | 19 |
23.8%
|
| 8 | dk | 1 |
1.3%
|
| 9 | na | 6 |
7.5%
|
| Sysmiss | 118 |