| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 307 |
54.7%
|
| 2 | no | 208 |
37.1%
|
| 3 | (dk) | 45 |
8%
|
| 4 | (ref) | 1 |
0.2%
|
| Sysmiss | 439 |