| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 | 
                                                                 
                                    
                                    1.8%
                                 
                                                             | 
                                                        
                    
| 2 | 13 | 
                                                                 
                                    
                                    4.7%
                                 
                                                             | 
                                                        
                    |
| 3 | 10 | 
                                                                 
                                    
                                    3.6%
                                 
                                                             | 
                                                        
                    |
| 4 | 11 | 
                                                                 
                                    
                                    4%
                                 
                                                             | 
                                                        
                    |
| 5 | 32 | 
                                                                 
                                    
                                    11.5%
                                 
                                                             | 
                                                        
                    |
| 6 | 9 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    |
| 7 | 26 | 
                                                                 
                                    
                                    9.4%
                                 
                                                             | 
                                                        
                    |
| 8 | 21 | 
                                                                 
                                    
                                    7.6%
                                 
                                                             | 
                                                        
                    |
| 9 | 12 | 
                                                                 
                                    
                                    4.3%
                                 
                                                             | 
                                                        
                    |
| 10 | Very effective | 21 | 
                                                                 
                                    
                                    7.6%
                                 
                                                             | 
                                                        
                    
| 11 | 118 | 
                                                                 
                                    
                                    42.4%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 29 |