| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 200 |
21.8%
|
| 2 | no | 687 |
75%
|
| 3 | (dk) | 26 |
2.8%
|
| 4 | (ref) | 3 |
0.3%
|
| Sysmiss | 84 |