| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very weak | 694 | 
                                                                 
                                    
                                    40.6%
                                 
                                                             | 
                                                        
                    
| 2 | Weak | 252 | 
                                                                 
                                    
                                    14.7%
                                 
                                                             | 
                                                        
                    
| 3 | Average | 344 | 
                                                                 
                                    
                                    20.1%
                                 
                                                             | 
                                                        
                    
| 4 | High | 199 | 
                                                                 
                                    
                                    11.6%
                                 
                                                             | 
                                                        
                    
| 5 | Very high | 221 | 
                                                                 
                                    
                                    12.9%
                                 
                                                             |