| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 236 |
39.4%
|
| 2 | no | 357 |
59.6%
|
| 3 | (dk) | 2 |
0.3%
|
| 4 | (ref) | 4 |
0.7%
|
| Sysmiss | 406 |