| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 8200 | 
                                                                 
                                    
                                    99.5%
                                 
                                                             | 
                                                        
                    
| 1 | yes | 33 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    
| 9 | 6 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             |