| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 325 |
85.1%
|
| 2 | no | 55 |
14.4%
|
| 3 | (dk) | 1 |
0.3%
|
| 4 | (ref) | 1 |
0.3%
|
| Sysmiss | 618 |