| Value | Category | Cases | |
|---|---|---|---|
| -7 | 57 | 
                                                                 
                                    
                                    27.3%
                                 
                                                             | 
                                                        
                    |
| -6 | 4 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    |
| 1 | 43 | 
                                                                 
                                    
                                    20.6%
                                 
                                                             | 
                                                        
                    |
| 2 | 105 | 
                                                                 
                                    
                                    50.2%
                                 
                                                             |