| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 415 |
50.5%
|
| 2 | no | 401 |
48.8%
|
| 3 | (dk) | 3 |
0.4%
|
| 4 | (ref) | 3 |
0.4%
|
| Sysmiss | 178 |