| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 440 |
46.9%
|
| 2 | no | 494 |
52.6%
|
| 3 | (dk) | 2 |
0.2%
|
| 4 | (ref) | 3 |
0.3%
|
| Sysmiss | 62 |