| Value | Category | Cases | |
|---|---|---|---|
| 1 | Prevent diseases | 492 | 
                                                                 
                                    
                                    52%
                                 
                                                             | 
                                                        
                    
| 2 | Treat diseases | 285 | 
                                                                 
                                    
                                    30.1%
                                 
                                                             | 
                                                        
                    
| 3 | Both | 169 | 
                                                                 
                                    
                                    17.9%
                                 
                                                             |