| Value | Category | Cases | |
|---|---|---|---|
| a | 121 | 
                                                                 
                                    
                                    14.4%
                                 
                                                             | 
                                                        
                    |
| b | 74 | 
                                                                 
                                    
                                    8.8%
                                 
                                                             | 
                                                        
                    |
| c | 263 | 
                                                                 
                                    
                                    31.4%
                                 
                                                             | 
                                                        
                    |
| d | 263 | 
                                                                 
                                    
                                    31.4%
                                 
                                                             | 
                                                        
                    |
| z | 117 | 
                                                                 
                                    
                                    14%
                                 
                                                             |