| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Never | 3982 | 12315693 | 
                                                                 
                                    
                                    38.8%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 2 | 1-3 times | 6019 | 17176727 | 
                                                                 
                                    
                                    54.1%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 3 | 3+ times | 902 | 2220445 | 
                                                                 
                                    
                                    7%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 99 | Not stated | 13 | 55053 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             |