| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 1 |
3.4%
|
| 2 | No | 24 |
82.8%
|
| 8 | dk | 0 |
0%
|
| 9 | na | 4 |
13.8%
|
| Sysmiss | 169 |