| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 9 |
11.8%
|
| 2 | no | 65 |
85.5%
|
| 3 | (dk) | 2 |
2.6%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 927 |