| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 103 |
16.8%
|
| 2 | no | 460 |
75.2%
|
| 3 | (dk) | 49 |
8%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 388 |