| Value | Category | Cases | |
|---|---|---|---|
| 1 | bottom 40% | 206 | 
                                                                 
                                    
                                    4.8%
                                 
                                                             | 
                                                        
                    
| 2 | 3rd quintile | 464 | 
                                                                 
                                    
                                    10.8%
                                 
                                                             | 
                                                        
                    
| 3 | 4th quintile | 1136 | 
                                                                 
                                    
                                    26.5%
                                 
                                                             | 
                                                        
                    
| 4 | top 20% | 2473 | 
                                                                 
                                    
                                    57.8%
                                 
                                                             |