| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 3 |
9.4%
|
| 2 | No | 25 |
78.1%
|
| 8 | dk | 0 |
0%
|
| 9 | na | 4 |
12.5%
|
| Sysmiss | 125 |