| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 458 |
74.6%
|
| 2 | no | 144 |
23.5%
|
| 3 | (dk) | 9 |
1.5%
|
| 4 | (ref) | 3 |
0.5%
|
| Sysmiss | 386 |