| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 71 |
58.7%
|
| 2 | no | 48 |
39.7%
|
| 3 | (dk) | 0 |
0%
|
| 4 | (ref) | 2 |
1.7%
|
| Sysmiss | 879 |