| Value | Category | Cases | |
|---|---|---|---|
| 1 | no | 3410 | 
                                    
                                    96.4%
                                 | 
| 2 | yes, from government | 124 | 
                                    
                                    3.5%
                                 | 
| 3 | yes, from work | 4 | 
                                    
                                    0.1%
                                 | 
| 4 | yes, private insurance | 1 | 
                                    
                                    0%
                                 | 
| Sysmiss | 16 |