| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 28 |
29.2%
|
| 2 | no | 65 |
67.7%
|
| 3 | (dk) | 3 |
3.1%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 904 |