| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 364 |
44.4%
|
| 2 | no | 385 |
47%
|
| 3 | (dk) | 67 |
8.2%
|
| 4 | (ref) | 3 |
0.4%
|
| Sysmiss | 181 |