| Value | Category | Cases | |
|---|---|---|---|
| -7 | Not applicable | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 0 | 140 | 
                                                                 
                                    
                                    84.3%
                                 
                                                             | 
                                                        
                    |
| 1 | 19 | 
                                                                 
                                    
                                    11.4%
                                 
                                                             | 
                                                        
                    |
| 2 | 7 | 
                                                                 
                                    
                                    4.2%
                                 
                                                             |