| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 892 |
89.7%
|
| 2 | no | 88 |
8.9%
|
| 3 | (dk) | 11 |
1.1%
|
| 4 | (ref) | 3 |
0.3%
|
| Sysmiss | 6 |