| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 163 |
31%
|
| 2 | no | 349 |
66.5%
|
| 3 | (dk) | 10 |
1.9%
|
| 4 | (ref) | 3 |
0.6%
|
| Sysmiss | 475 |