| Value | Category | Cases | |
|---|---|---|---|
| -9 | 1 | 
                            
                             
                                
                                0.1%
                                                             
                            
                         | 
                        
                    |
| 1 | Yes | 176 | 
                            
                             
                                
                                15.5%
                                                             
                            
                         | 
                        
                    
| 2 | No | 948 | 
                            
                             
                                
                                83.7%
                                                             
                            
                         | 
                        
                    
| 98 | Don't know | 7 | 
                            
                             
                                
                                0.6%
                                                             
                            
                         | 
                        
                    
| 9995 | Missing | 0 | 
                            
                             
                                
                                0%
                                                             
                            
                         | 
                        
                    
| Sysmiss | 3 |