| Value | Category | Cases | |
|---|---|---|---|
| -4 | 552 | 
                                    
                                    74.3%
                                 | |
| 0 | 49 | 
                                    
                                    6.6%
                                 | |
| 1 | 54 | 
                                    
                                    7.3%
                                 | |
| 2 | 88 | 
                                    
                                    11.8%
                                 |