| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Never | 2695 | 7516953 | 
                                                                 
                                    
                                    23.7%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 2 | 1-3 times | 5895 | 17627700 | 
                                                                 
                                    
                                    55.5%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 3 | 3+ times | 2313 | 6568211 | 
                                                                 
                                    
                                    20.7%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 99 | Not stated | 13 | 55053 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             |