| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 233 |
41.7%
|
| 2 | no | 303 |
54.2%
|
| 3 | (dk) | 20 |
3.6%
|
| 4 | (ref) | 3 |
0.5%
|
| Sysmiss | 441 |