| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 1255 | 
                                    
                                    92.6%
                                 | 
| 1 | Yes | 97 | 
                                    
                                    7.2%
                                 | 
| 8 | DK | 3 | 
                                    
                                    0.2%
                                 |