| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 142 |
50.9%
|
| 2 | no | 133 |
47.7%
|
| 3 | (dk) | 1 |
0.4%
|
| 4 | (ref) | 3 |
1.1%
|
| Sysmiss | 723 |