| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 65 |
49.6%
|
| 2 | no | 64 |
48.9%
|
| 3 | (dk) | 1 |
0.8%
|
| 4 | (ref) | 1 |
0.8%
|
| Sysmiss | 889 |