| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Never | 6031 | 11409113 | 
                                                                 
                                    
                                    38.1%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 2 | 1-3 times | 7294 | 14992488 | 
                                                                 
                                    
                                    50.1%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 3 | 3+ times | 1703 | 3512773 | 
                                                                 
                                    
                                    11.7%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 99 | Not stated | 1 | 3695 | 
                                                                 
                                    
                                    0%
                                 
                                                             |