| Value | Category | Cases | |
|---|---|---|---|
| a | 263 | 
                                                                 
                                    
                                    31.4%
                                 
                                                             | 
                                                        
                    |
| b | 97 | 
                                                                 
                                    
                                    11.6%
                                 
                                                             | 
                                                        
                    |
| c | 176 | 
                                                                 
                                    
                                    21%
                                 
                                                             | 
                                                        
                    |
| d | 216 | 
                                                                 
                                    
                                    25.8%
                                 
                                                             | 
                                                        
                    |
| z | 86 | 
                                                                 
                                    
                                    10.3%
                                 
                                                             |