| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 269 |
29.1%
|
| 2 | no | 623 |
67.4%
|
| 3 | (dk) | 0 |
0%
|
| 4 | (ref) | 32 |
3.5%
|
| Sysmiss | 81 |