| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 202 |
26.5%
|
| 2 | no | 546 |
71.6%
|
| 3 | (dk) | 12 |
1.6%
|
| 4 | (ref) | 3 |
0.4%
|
| Sysmiss | 237 |