| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 28 |
29.5%
|
| 2 | no | 65 |
68.4%
|
| 3 | (dk) | 1 |
1.1%
|
| 4 | (ref) | 1 |
1.1%
|
| Sysmiss | 905 |