| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 6 |
8.8%
|
| 2 | no | 60 |
88.2%
|
| 3 | (dk) | 2 |
2.9%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 932 |