| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 5987 | 
                                                                 
                                    
                                    92.9%
                                 
                                                             | 
                                                        
                    
| 1 | yes | 458 | 
                                                                 
                                    
                                    7.1%
                                 
                                                             | 
                                                        
                    
| 9 | 3 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 11 | .Z | 12306 |