| Value | Category | Cases | |
|---|---|---|---|
| 1 | Sí | 9 | 
                                    
                                    0.1%
                                 | 
| 2 | No | 6330 | 
                                    
                                    99.8%
                                 | 
| 9 | Ignorado | 1 | 
                                    
                                    0%
                                 | 
| Sysmiss | 19220 |