| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 162 |
21.6%
|
| 2 | no | 539 |
71.9%
|
| 3 | (dk) | 49 |
6.5%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 250 |