| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 40 |
44%
|
| 2 | no | 47 |
51.6%
|
| 3 | (dk) | 1 |
1.1%
|
| 4 | (ref) | 3 |
3.3%
|
| Sysmiss | 909 |