| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 561 |
71.7%
|
| 2 | no | 207 |
26.5%
|
| 3 | (dk) | 7 |
0.9%
|
| 4 | (ref) | 7 |
0.9%
|
| Sysmiss | 218 |