| Value | Category | Cases | |
|---|---|---|---|
| 6 | Junio | 315 | 
                                    
                                    36.4%
                                 | 
| 7 | Julio | 47 | 
                                    
                                    5.4%
                                 | 
| Sysmiss | 503 | 
                                    
                                    58.2%
                                 |