| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 812 |
88%
|
| 2 | no | 107 |
11.6%
|
| 3 | (dk) | 2 |
0.2%
|
| 4 | (ref) | 2 |
0.2%
|
| Sysmiss | 77 |