| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 13 |
33.3%
|
| 2 | no | 25 |
64.1%
|
| 3 | (dk) | 1 |
2.6%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 964 |