| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not a significant role at all | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 4 | 2 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    |
| 5 | 2 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    |
| 6 | 3 | 
                                                                 
                                    
                                    2.3%
                                 
                                                             | 
                                                        
                    |
| 7 | 9 | 
                                                                 
                                    
                                    6.8%
                                 
                                                             | 
                                                        
                    |
| 8 | 18 | 
                                                                 
                                    
                                    13.6%
                                 
                                                             | 
                                                        
                    |
| 9 | 31 | 
                                                                 
                                    
                                    23.5%
                                 
                                                             | 
                                                        
                    |
| 10 | Very significant role | 67 | 
                                                                 
                                    
                                    50.8%
                                 
                                                             | 
                                                        
                    
| 11 | Dont' know | 4 | |
| Sysmiss | 2 |