| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 318 |
36.5%
|
| 2 | no | 533 |
61.2%
|
| 3 | (dk) | 20 |
2.3%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 129 |