| Value | Category | Cases | |
|---|---|---|---|
| 0 | Male | 8 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    
| 1 | Female | 4 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 1228 | 
                                                                 
                                    
                                    99%
                                 
                                                             |