| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 30 |
44.8%
|
| 1 | yes | 36 |
53.7%
|
| 8 | dk | 0 |
0%
|
| 9 | 1 |
1.5%
|
|
| Sysmiss | 337 |