| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 859 |
86.2%
|
| 2 | no | 133 |
13.4%
|
| 3 | (dk) | 4 |
0.4%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 4 |