| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | No | 6230 | 11862191 | 
                                                                 
                                    
                                    71.7%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 1 | Yes | 2256 | 4688169 | 
                                                                 
                                    
                                    28.3%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 99 | Not stated | 3 | 3739 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                            
                        
                        
                            
                    
| Sysmiss | 6540 | 13363970 |