| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 130 |
31.3%
|
| 2 | no | 263 |
63.4%
|
| 3 | (dk) | 21 |
5.1%
|
| 4 | (ref) | 1 |
0.2%
|
| Sysmiss | 585 |