| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 188 |
23.7%
|
| 2 | no | 579 |
72.9%
|
| 3 | (dk) | 27 |
3.4%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 206 |