| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 27157 | 
                                    
                                    89.6%
                                 | 
| 1 | Sí | 3164 | 
                                    
                                    10.4%
                                 | 
| 9 | Ignorado | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 4775 |