| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Never | 9376 | 18321158 | 
                                                                 
                                    
                                    61.2%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 2 | 1-3 times | 4509 | 9293814 | 
                                                                 
                                    
                                    31.1%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 3 | 3+ times | 1143 | 2299402 | 
                                                                 
                                    
                                    7.7%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 99 | Not stated | 1 | 3695 | 
                                                                 
                                    
                                    0%
                                 
                                                             |