| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 17 |
39.5%
|
| 2 | no | 25 |
58.1%
|
| 3 | (dk) | 0 |
0%
|
| 4 | (ref) | 1 |
2.3%
|
| Sysmiss | 958 |