| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 554 |
80.1%
|
| 2 | no | 128 |
18.5%
|
| 3 | (dk) | 4 |
0.6%
|
| 4 | (ref) | 6 |
0.9%
|
| Sysmiss | 308 |