| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 1385 | 
                                                                 
                                    
                                    94.3%
                                 
                                                             | 
                                                        
                    
| 1 | yes | 80 | 
                                                                 
                                    
                                    5.4%
                                 
                                                             | 
                                                        
                    
| 9 | 3 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| 11 | .Z | 17286 |