| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 328 |
44.3%
|
| 2 | no | 350 |
47.3%
|
| 3 | (dk) | 62 |
8.4%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 260 |