| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Never | 6222 | 12266991 | 
                                                                 
                                    
                                    41%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 2 | 1-3 times | 6984 | 13959011 | 
                                                                 
                                    
                                    46.7%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 3 | 3+ times | 1822 | 3688373 | 
                                                                 
                                    
                                    12.3%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 99 | Not stated | 1 | 3695 | 
                                                                 
                                    
                                    0%
                                 
                                                             |