| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 48 |
39.7%
|
| 2 | no | 72 |
59.5%
|
| 3 | (dk) | 1 |
0.8%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 879 |