| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 19 |
25.7%
|
| 2 | no | 54 |
73%
|
| 3 | (dk) | 1 |
1.4%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 926 |