| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 72 |
11.1%
|
| 2 | no | 531 |
81.7%
|
| 3 | (dk) | 46 |
7.1%
|
| 4 | (ref) | 1 |
0.2%
|
| Sysmiss | 356 |