| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | yes | 24 | 15 | 
                                    
                                    1.5%
                                 | 
| 2 | no | 975 | 984 | 
                                    
                                    98.4%
                                 | 
| 3 | (dk) | 1 | 0 | 
                                    
                                    0%
                                 | 
| 4 | (ref) | 0 | 0 | 
                                    
                                    0%
                                 |