| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 81 |
20.5%
|
| 2 | no | 263 |
66.4%
|
| 3 | (dk) | 52 |
13.1%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 613 |