| Value | Category | Cases | |
|---|---|---|---|
| A | 51 | 
                                    
                                    81%
                                 | |
| AB | 5 | 
                                    
                                    7.9%
                                 | |
| ABC | 1 | 
                                    
                                    1.6%
                                 | |
| AD | 4 | 
                                    
                                    6.3%
                                 | |
| X | 2 | 
                                    
                                    3.2%
                                 |