| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 54 |
29.8%
|
| 2 | no | 126 |
69.6%
|
| 3 | (dk) | 0 |
0%
|
| 4 | (ref) | 1 |
0.6%
|
| Sysmiss | 819 |