| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 73 |
29.1%
|
| 2 | no | 171 |
68.1%
|
| 3 | (dk) | 5 |
2%
|
| 4 | (ref) | 2 |
0.8%
|
| Sysmiss | 749 |