| Value | Category | Cases | |
|---|---|---|---|
| 1 | More or equal than $6000 | 590 | 
                                    
                                    29.4%
                                 | 
| 2 | Less than $6000 | 528 | 
                                    
                                    26.3%
                                 | 
| 8 | DK | 886 | 
                                    
                                    44.2%
                                 | 
| Sysmiss | 22940 |