| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 8 |
9.4%
|
| 2 | no | 75 |
88.2%
|
| 3 | (dk) | 0 |
0%
|
| 4 | (ref) | 2 |
2.4%
|
| Sysmiss | 937 |