| Value | Category | Cases | |
|---|---|---|---|
| 1 | SIM | 24 | 
                                    
                                    1%
                                 | 
| 2 | NAO | 2387 | 
                                    
                                    99%
                                 | 
| 9 | IGNORADO | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 5873 |