| Value | Category | Cases | |
|---|---|---|---|
| 1 | Involved, Important | 4590 | 
                                                                 
                                    
                                    43.6%
                                 
                                                             | 
                                                        
                    
| 2 | Involved, Not Important | 761 | 
                                                                 
                                    
                                    7.2%
                                 
                                                             | 
                                                        
                    
| 3 | Not Involved | 4453 | 
                                                                 
                                    
                                    42.3%
                                 
                                                             | 
                                                        
                    
| 4 | Method Not Applicable | 732 | 
                                                                 
                                    
                                    6.9%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 972 |