| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 14 |
18.2%
|
| 2 | no | 60 |
77.9%
|
| 3 | (dk) | 3 |
3.9%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 923 |