| Value | Category | Cases | |
|---|---|---|---|
| 0 | No flag | 3956 | 
                                    
                                    8.4%
                                 | 
| 8 | Imputed, no units | 1 | 
                                    
                                    0%
                                 | 
| Sysmiss | 42910 | 
                                    
                                    91.6%
                                 |