| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | No | 7132 | 13439012 | 
                                                                 
                                    
                                    81.2%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 1 | Yes | 1222 | 2812044 | 
                                                                 
                                    
                                    17%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 99 | Not stated | 134 | 300744 | 
                                                                 
                                    
                                    1.8%
                                 
                                                             | 
                            
                        
                        
                            
                    
| Sysmiss | 6541 | 13366269 |