| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 226 |
34.5%
|
| 2 | no | 419 |
63.9%
|
| 3 | (dk) | 9 |
1.4%
|
| 4 | (ref) | 2 |
0.3%
|
| Sysmiss | 344 |