| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 657 |
86.1%
|
| 2 | no | 100 |
13.1%
|
| 3 | (dk) | 5 |
0.7%
|
| 4 | (ref) | 1 |
0.1%
|
| Sysmiss | 237 |