| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | No | 2061 | 4250886 | 
                                                                 
                                    
                                    29.7%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 1 | Yes | 4545 | 9385365 | 
                                                                 
                                    
                                    65.5%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 2 | Sometimes | 0 | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 99 | Not stated | 332 | 691745 | 
                                                                 
                                    
                                    4.8%
                                 
                                                             | 
                            
                        
                        
                            
                    
| Sysmiss | 8091 | 15590074 |