| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 79 |
47.6%
|
| 2 | no | 81 |
48.8%
|
| 3 | (dk) | 1 |
0.6%
|
| 4 | (ref) | 5 |
3%
|
| Sysmiss | 834 |