| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very weak | 200 | 
                                                                 
                                    
                                    13%
                                 
                                                             | 
                                                        
                    
| 2 | Weak | 182 | 
                                                                 
                                    
                                    11.8%
                                 
                                                             | 
                                                        
                    
| 3 | Average | 595 | 
                                                                 
                                    
                                    38.7%
                                 
                                                             | 
                                                        
                    
| 4 | High | 477 | 
                                                                 
                                    
                                    31%
                                 
                                                             | 
                                                        
                    
| 5 | Very high | 85 | 
                                                                 
                                    
                                    5.5%
                                 
                                                             |