| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 504 |
65.6%
|
| 2 | no | 260 |
33.9%
|
| 3 | (dk) | 4 |
0.5%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 237 |