| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | No | 7661 | 21278030 | 
                                                                 
                                    
                                    67%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 1 | Yes | 3251 | 10468392 | 
                                                                 
                                    
                                    33%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 99 | Not stated | 4 | 21496 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             |