| Value | Category | Cases | |
|---|---|---|---|
| 0 | Low knowledge | 462 | 
                                                                 
                                    
                                    10.5%
                                 
                                                             | 
                                                        
                    
| 1 | 860 | 
                                                                 
                                    
                                    19.6%
                                 
                                                             | 
                                                        
                    |
| 2 | 941 | 
                                                                 
                                    
                                    21.4%
                                 
                                                             | 
                                                        
                    |
| 3 | 955 | 
                                                                 
                                    
                                    21.7%
                                 
                                                             | 
                                                        
                    |
| 4 | 768 | 
                                                                 
                                    
                                    17.5%
                                 
                                                             | 
                                                        
                    |
| 5 | High knowledge | 406 | 
                                                                 
                                    
                                    9.2%
                                 
                                                             |