| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Never | 1164 | 3409546 | 
                                                                 
                                    
                                    10.7%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 2 | 1-3 times | 6943 | 20401876 | 
                                                                 
                                    
                                    64.2%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 3 | 3+ times | 2796 | 7901442 | 
                                                                 
                                    
                                    24.9%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 99 | Not stated | 13 | 55053 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             |