| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 206 |
46.4%
|
| 2 | no | 197 |
44.4%
|
| 3 | (dk) | 40 |
9%
|
| 4 | (ref) | 1 |
0.2%
|
| Sysmiss | 556 |