| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 102 |
11.7%
|
| 2 | no | 758 |
87%
|
| 3 | (dk) | 11 |
1.3%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 129 |