| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 72 |
30.9%
|
| 2 | no | 158 |
67.8%
|
| 3 | (dk) | 2 |
0.9%
|
| 4 | (ref) | 1 |
0.4%
|
| Sysmiss | 767 |