| Value | Category | Cases | |
|---|---|---|---|
| a | 256 | 
                                                                 
                                    
                                    30.5%
                                 
                                                             | 
                                                        
                    |
| b | 243 | 
                                                                 
                                    
                                    29%
                                 
                                                             | 
                                                        
                    |
| c | 98 | 
                                                                 
                                    
                                    11.7%
                                 
                                                             | 
                                                        
                    |
| d | 120 | 
                                                                 
                                    
                                    14.3%
                                 
                                                             | 
                                                        
                    |
| z | 121 | 
                                                                 
                                    
                                    14.4%
                                 
                                                             |