| Value | Category | Cases | |
|---|---|---|---|
| a | 124 | 
                                                                 
                                    
                                    14.8%
                                 
                                                             | 
                                                        
                    |
| b | 91 | 
                                                                 
                                    
                                    10.9%
                                 
                                                             | 
                                                        
                    |
| c | 182 | 
                                                                 
                                    
                                    21.7%
                                 
                                                             | 
                                                        
                    |
| d | 371 | 
                                                                 
                                    
                                    44.3%
                                 
                                                             | 
                                                        
                    |
| z | 70 | 
                                                                 
                                    
                                    8.4%
                                 
                                                             |