| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 931 |
93.2%
|
| 2 | no | 60 |
6%
|
| 3 | (dk) | 4 |
0.4%
|
| 4 | (ref) | 4 |
0.4%
|
| Sysmiss | 13 |