| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 49 |
79%
|
| 2 | no | 12 |
19.4%
|
| 3 | (dk) | 0 |
0%
|
| 4 | (ref) | 1 |
1.6%
|
| Sysmiss | 945 |