| Value | Category | Cases | |
|---|---|---|---|
| 1 | Formal | 498 | 
                                                                 
                                    
                                    12.9%
                                 
                                                             | 
                                                        
                    
| 2 | Informal | 3350 | 
                                                                 
                                    
                                    86.9%
                                 
                                                             | 
                                                        
                    
| 9 | Not Stated | 7 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             |