| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 14 |
28.6%
|
| 2 | no | 32 |
65.3%
|
| 3 | (dk) | 2 |
4.1%
|
| 4 | (ref) | 1 |
2%
|
| Sysmiss | 951 |