| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 20 |
12.1%
|
| 2 | No | 125 |
75.8%
|
| 8 | dk | 3 |
1.8%
|
| 9 | na | 17 |
10.3%
|
| Sysmiss | 162 |