| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 378 |
67.6%
|
| 2 | no | 172 |
30.8%
|
| 3 | (dk) | 6 |
1.1%
|
| 4 | (ref) | 3 |
0.5%
|
| Sysmiss | 441 |