| Value | Category | Cases | |
|---|---|---|---|
| 1 | Public/government-run | 5737 | 
                                    
                                    95.1%
                                 | 
| 2 | Private/non-government-run | 241 | 
                                    
                                    4%
                                 | 
| 3 | Open system | 57 | 
                                    
                                    0.9%
                                 | 
| Sysmiss | 18909 |