| Value | Category | Cases | |
|---|---|---|---|
| -4 | 206 | 
                                    
                                    27.7%
                                 | |
| 0 | 202 | 
                                    
                                    27.2%
                                 | |
| 1 | 14 | 
                                    
                                    1.9%
                                 | |
| 2 | 321 | 
                                    
                                    43.2%
                                 |