| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Never | 1760 | 3674622 | 
                                                                 
                                    
                                    12.3%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 2 | 1-3 times | 8400 | 16400499 | 
                                                                 
                                    
                                    54.8%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 3 | 3+ times | 4868 | 9839254 | 
                                                                 
                                    
                                    32.9%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 99 | Not stated | 1 | 3695 | 
                                                                 
                                    
                                    0%
                                 
                                                             |