| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 4 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| 2 | No | 21 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2634 | 
                                                                 
                                    
                                    99.1%
                                 
                                                             |