| Valeur | Modalité | Cas | |
|---|---|---|---|
| 0 | Nothing | 3 | 
                                    
                                    0.1%
                                 | 
| 2 | A health centre | 2 | 
                                    
                                    0.1%
                                 | 
| 6 | Something else | 2 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 2423 |