| Value | Category | Cases | |
|---|---|---|---|
| a | 82 | 
                                    
                                    6.2%
                                 | |
| ab | 58 | 
                                    
                                    4.4%
                                 | |
| abc | 20 | 
                                    
                                    1.5%
                                 | |
| b | 1128 | 
                                    
                                    85.6%
                                 | |
| bc | 30 | 
                                    
                                    2.3%
                                 |