| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 42 |
35%
|
| 2 | no | 69 |
57.5%
|
| 3 | (dk) | 6 |
5%
|
| 4 | (ref) | 3 |
2.5%
|
| Sysmiss | 888 |