| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 66 |
20.5%
|
| 2 | no | 255 |
79.2%
|
| 3 | (dk) | 0 |
0%
|
| 4 | (ref) | 1 |
0.3%
|
| Sysmiss | 678 |