| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 67 |
50.4%
|
| 2 | no | 61 |
45.9%
|
| 3 | (dk) | 3 |
2.3%
|
| 4 | (ref) | 2 |
1.5%
|
| Sysmiss | 872 |