| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 110 |
60.4%
|
| 2 | no | 69 |
37.9%
|
| 3 | (dk) | 1 |
0.5%
|
| 4 | (ref) | 2 |
1.1%
|
| Sysmiss | 818 |