| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 612 |
74.3%
|
| 2 | no | 204 |
24.8%
|
| 3 | (dk) | 8 |
1%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 176 |