| Value | Category | Cases | |
|---|---|---|---|
| 1 | poorest | 2123 | 
                                                                 
                                    
                                    25.8%
                                 
                                                             | 
                                                        
                    
| 2 | poorer | 1646 | 
                                                                 
                                    
                                    20%
                                 
                                                             | 
                                                        
                    
| 3 | middle | 1369 | 
                                                                 
                                    
                                    16.6%
                                 
                                                             | 
                                                        
                    
| 4 | richer | 1406 | 
                                                                 
                                    
                                    17.1%
                                 
                                                             | 
                                                        
                    
| 5 | richest | 1688 | 
                                                                 
                                    
                                    20.5%
                                 
                                                             |