| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 139 |
29.4%
|
| 2 | no | 320 |
67.7%
|
| 3 | (dk) | 14 |
3%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 532 |