| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 50 | 
                            
                             
                                
                                2.3%
                                                             
                            
                         | 
                        
                    
| 2 | no | 104 | 
                            
                             
                                
                                4.8%
                                                             
                            
                         | 
                        
                    
| 9 | not applicable | 1924 | 
                            
                             
                                
                                88.3%
                                                             
                            
                         | 
                        
                    
| 9999995 | missing:impute | 102 | 
                            
                             
                                
                                4.7%
                                                             
                            
                         |