| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effectively at all | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 2 | 3 | 
                                                                 
                                    
                                    5.5%
                                 
                                                             | 
                                                        
                    |
| 4 | 4 | 
                                                                 
                                    
                                    7.3%
                                 
                                                             | 
                                                        
                    |
| 5 | 10 | 
                                                                 
                                    
                                    18.2%
                                 
                                                             | 
                                                        
                    |
| 6 | 11 | 
                                                                 
                                    
                                    20%
                                 
                                                             | 
                                                        
                    |
| 7 | 10 | 
                                                                 
                                    
                                    18.2%
                                 
                                                             | 
                                                        
                    |
| 8 | 8 | 
                                                                 
                                    
                                    14.5%
                                 
                                                             | 
                                                        
                    |
| 9 | 7 | 
                                                                 
                                    
                                    12.7%
                                 
                                                             | 
                                                        
                    |
| 10 | Very effectively | 2 | 
                                                                 
                                    
                                    3.6%
                                 
                                                             | 
                                                        
                    
| 11 | Don't know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 31 |