| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 174 |
31.8%
|
| 2 | no | 348 |
63.6%
|
| 3 | (dk) | 25 |
4.6%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 453 |