| Value | Category | Cases | |
|---|---|---|---|
| 1 | With insurance | 4272 | 
                                    
                                    78%
                                 | 
| 2 | Without insurance | 1084 | 
                                    
                                    19.8%
                                 | 
| Sysmiss | 123 | 
                                    
                                    2.2%
                                 |