| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | No | 6667 | 12806632 | 
                                                                 
                                    
                                    78.8%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 1 | Yes | 1686 | 3441030 | 
                                                                 
                                    
                                    21.2%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 99 | Not stated | 1 | 3393 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                            
                        
                        
                            
                    
| Sysmiss | 6675 | 13667013 |