| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 22 |
32.4%
|
| 2 | no | 45 |
66.2%
|
| 3 | (dk) | 1 |
1.5%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 932 |