| Value | Category | Cases | |
|---|---|---|---|
| 1 | government | 5162 | 
                                                                 
                                    
                                    23.7%
                                 
                                                             | 
                                                        
                    
| 2 | private vet | 6592 | 
                                                                 
                                    
                                    30.3%
                                 
                                                             | 
                                                        
                    
| 3 | self | 5037 | 
                                                                 
                                    
                                    23.1%
                                 
                                                             | 
                                                        
                    
| 4 | none | 4856 | 
                                                                 
                                    
                                    22.3%
                                 
                                                             | 
                                                        
                    
| 5 | others | 122 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             |