| Value | Category | Cases | |
|---|---|---|---|
| a | 244 | 
                                                                 
                                    
                                    29.1%
                                 
                                                             | 
                                                        
                    |
| b | 108 | 
                                                                 
                                    
                                    12.9%
                                 
                                                             | 
                                                        
                    |
| c | 152 | 
                                                                 
                                    
                                    18.1%
                                 
                                                             | 
                                                        
                    |
| d | 226 | 
                                                                 
                                    
                                    27%
                                 
                                                             | 
                                                        
                    |
| z | 108 | 
                                                                 
                                    
                                    12.9%
                                 
                                                             |