| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 437 |
83.9%
|
| 2 | no | 80 |
15.4%
|
| 3 | (dk) | 2 |
0.4%
|
| 4 | (ref) | 2 |
0.4%
|
| Sysmiss | 479 |