| Value | Category | Cases | |
|---|---|---|---|
| ? | 2 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| A | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| AB | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| AX | 2 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| B | 529 | 
                                                                 
                                    
                                    45.7%
                                 
                                                             | 
                                                        
                    |
| BX | 195 | 
                                                                 
                                    
                                    16.8%
                                 
                                                             | 
                                                        
                    |
| X | 239 | 
                                                                 
                                    
                                    20.6%
                                 
                                                             | 
                                                        
                    |
| Z | 189 | 
                                                                 
                                    
                                    16.3%
                                 
                                                             |