| Value | Category | Cases | |
|---|---|---|---|
| -9 | 22 | 
                                    
                                    10.2%
                                 | |
| -7 | 10 | 
                                    
                                    4.7%
                                 | |
| 1 | 10 | 
                                    
                                    4.7%
                                 | |
| 2 | 25 | 
                                    
                                    11.6%
                                 | |
| 3 | 84 | 
                                    
                                    39.1%
                                 | |
| 4 | 64 | 
                                    
                                    29.8%
                                 |