| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 15 |
18.5%
|
| 2 | no | 64 |
79%
|
| 3 | (dk) | 2 |
2.5%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 924 |