| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 4 | 
                            
                             
                                
                                0.8%
                                                             
                            
                         | 
                        
                    
| 2 | No | 501 | 
                            
                             
                                
                                99.2%
                                                             
                            
                         | 
                        
                    
| Sysmiss | 8 |