| Value | Category | Cases | |
|---|---|---|---|
| 1 | government | 1313 | 
                                                                 
                                    
                                    12.1%
                                 
                                                             | 
                                                        
                    
| 2 | private vet | 1406 | 
                                                                 
                                    
                                    12.9%
                                 
                                                             | 
                                                        
                    
| 3 | self | 577 | 
                                                                 
                                    
                                    5.3%
                                 
                                                             | 
                                                        
                    
| 4 | none | 7231 | 
                                                                 
                                    
                                    66.5%
                                 
                                                             | 
                                                        
                    
| 5 | others | 340 | 
                                                                 
                                    
                                    3.1%
                                 
                                                             |