| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Never | 3708 | 7482363 | 
                                                                 
                                    
                                    25%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 2 | 1-3 times | 8174 | 16286930 | 
                                                                 
                                    
                                    54.4%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 3 | 3+ times | 3146 | 6145081 | 
                                                                 
                                    
                                    20.5%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 99 | Not stated | 1 | 3695 | 
                                                                 
                                    
                                    0%
                                 
                                                             |