| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 138 |
43.8%
|
| 2 | no | 173 |
54.9%
|
| 3 | (dk) | 1 |
0.3%
|
| 4 | (ref) | 3 |
1%
|
| Sysmiss | 685 |