| Value | Category | Cases | |
|---|---|---|---|
| -1 | 12 | 
                                    
                                    1.1%
                                 | |
| 1 | 810 | 
                                    
                                    71.7%
                                 | |
| 2 | 307 | 
                                    
                                    27.2%
                                 |