| Value | Category | Cases | |
|---|---|---|---|
| -4 | 557 | 
                                    
                                    75%
                                 | |
| 0 | 20 | 
                                    
                                    2.7%
                                 | |
| 1 | 37 | 
                                    
                                    5%
                                 | |
| 2 | 129 | 
                                    
                                    17.4%
                                 |