| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 33 |
20.4%
|
| 2 | no | 128 |
79%
|
| 3 | (dk) | 0 |
0%
|
| 4 | (ref) | 1 |
0.6%
|
| Sysmiss | 838 |