| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 11 | 
                                                                 
                                    
                                    5.4%
                                 
                                                             | 
                                                        
                    
| 2 | 7 | 
                                                                 
                                    
                                    3.4%
                                 
                                                             | 
                                                        
                    |
| 3 | 10 | 
                                                                 
                                    
                                    4.9%
                                 
                                                             | 
                                                        
                    |
| 4 | 19 | 
                                                                 
                                    
                                    9.3%
                                 
                                                             | 
                                                        
                    |
| 5 | 38 | 
                                                                 
                                    
                                    18.5%
                                 
                                                             | 
                                                        
                    |
| 6 | 31 | 
                                                                 
                                    
                                    15.1%
                                 
                                                             | 
                                                        
                    |
| 7 | 24 | 
                                                                 
                                    
                                    11.7%
                                 
                                                             | 
                                                        
                    |
| 8 | 29 | 
                                                                 
                                    
                                    14.1%
                                 
                                                             | 
                                                        
                    |
| 9 | 15 | 
                                                                 
                                    
                                    7.3%
                                 
                                                             | 
                                                        
                    |
| 10 | Very effective | 21 | 
                                                                 
                                    
                                    10.2%
                                 
                                                             | 
                                                        
                    
| 11 | N/A | 157 | |
| Sysmiss | 68 |