| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 293 |
71.6%
|
| 2 | no | 114 |
27.9%
|
| 3 | (dk) | 1 |
0.2%
|
| 4 | (ref) | 1 |
0.2%
|
| Sysmiss | 592 |