| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | No | 2162 | 6384348 | 
                                                                 
                                    
                                    27.5%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 1 | Yes | 22 | 45910 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 99 | Not stated | 5739 | 16820660 | 
                                                                 
                                    
                                    72.3%
                                 
                                                             | 
                            
                        
                        
                            
                    
| Sysmiss | 2993 | 8516999 |