| Value | Category | Cases | |
|---|---|---|---|
| 1 | Poorest 20% | 554 | 
                                    
                                    18.5%
                                 | 
| 2 | Second 20% | 556 | 
                                    
                                    18.5%
                                 | 
| 3 | Middle 20% | 597 | 
                                    
                                    19.9%
                                 | 
| 4 | Fourth 20% | 636 | 
                                    
                                    21.2%
                                 | 
| 5 | Richest 20% | 657 | 
                                    
                                    21.9%
                                 |