| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | No | 313 | 946407 | 
                                                                 
                                    
                                    4.1%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 1 | Yes | 1871 | 5483851 | 
                                                                 
                                    
                                    23.6%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 99 | Not stated | 5739 | 16820660 | 
                                                                 
                                    
                                    72.3%
                                 
                                                             | 
                            
                        
                        
                            
                    
| Sysmiss | 2993 | 8516999 |