| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 217 | 
                            
                             
                                
                                8.1%
                                                             
                            
                         | 
                        
                    
| 1 | Yes | 11 | 
                            
                             
                                
                                0.4%
                                                             
                            
                         | 
                        
                    
| 5 | missing | 1 | 
                            
                             
                                
                                0%
                                                             
                            
                         | 
                        
                    
| 8 | dtk | 0 | 
                            
                             
                                
                                0%
                                                             
                            
                         | 
                        
                    
| 9 | na | 2452 | 
                            
                             
                                
                                91.5%
                                                             
                            
                         | 
                        
                    
| Sysmiss | 77 |