| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 188 |
28.7%
|
| 2 | no | 460 |
70.1%
|
| 3 | (dk) | 4 |
0.6%
|
| 4 | (ref) | 4 |
0.6%
|
| Sysmiss | 344 |