| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 508 |
80.5%
|
| 2 | no | 119 |
18.9%
|
| 3 | (dk) | 2 |
0.3%
|
| 4 | (ref) | 2 |
0.3%
|
| Sysmiss | 371 |