| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 548 |
69%
|
| 2 | no | 233 |
29.3%
|
| 3 | (dk) | 12 |
1.5%
|
| 4 | (ref) | 1 |
0.1%
|
| Sysmiss | 206 |