| Value | Category | Cases | |
|---|---|---|---|
| 1 | más altos? | 14 | 
                                    
                                    4.3%
                                 | 
| 2 | los mismos? | 51 | 
                                    
                                    15.5%
                                 | 
| 3 | menores? | 220 | 
                                    
                                    66.9%
                                 | 
| 4 | no tuvo ingresos | 44 | 
                                    
                                    13.4%
                                 | 
| Sysmiss | 475 |