| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 633 | 
                            
                             
                                
                                98.8%
                                                             
                            
                         | 
                        
                    
| 1 | yes | 8 | 
                            
                             
                                
                                1.2%
                                                             
                            
                         | 
                        
                    
| 98 | don't know | 0 | 
                            
                             
                                
                                0%
                                                             
                            
                         | 
                        
                    
| Sysmiss | 210 |