| Value | Category | Cases | |
|---|---|---|---|
| 1 | Involved, Important | 3344 | 
                                    
                                    31.7%
                                 | 
| 2 | Involved, Not Important | 665 | 
                                    
                                    6.3%
                                 | 
| 3 | Not Involved | 5266 | 
                                    
                                    50%
                                 | 
| 4 | Method Not Applicable | 1261 | 
                                    
                                    12%
                                 | 
| Sysmiss | 972 |