| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 179 |
21.6%
|
| 2 | no | 642 |
77.6%
|
| 3 | (dk) | 5 |
0.6%
|
| 4 | (ref) | 1 |
0.1%
|
| Sysmiss | 176 |