| Value | Category | Cases | |
|---|---|---|---|
| 1 | Poorest | 1403 | 
                                    
                                    5.5%
                                 | 
| 2 | Second | 1139 | 
                                    
                                    4.5%
                                 | 
| 3 | Middle | 1102 | 
                                    
                                    4.3%
                                 | 
| 4 | Fourth | 1169 | 
                                    
                                    4.6%
                                 | 
| 5 | Richest | 1228 | 
                                    
                                    4.8%
                                 | 
| Sysmiss | 19441 | 
                                    
                                    76.3%
                                 |