| Value | Category | Cases | |
|---|---|---|---|
| 1 | MONTHS AGO | 12 | 
                                    
                                    0.1%
                                 | 
| 2 | YEARS AGO | 34 | 
                                    
                                    0.3%
                                 | 
| Sysmiss | 10034 | 
                                    
                                    99.5%
                                 |