| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Never | 1141 | 3172269 | 
                                                                 
                                    
                                    10%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 2 | 1-3 times | 6007 | 17535952 | 
                                                                 
                                    
                                    55.2%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 3 | 3+ times | 3755 | 11004643 | 
                                                                 
                                    
                                    34.6%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 99 | Not stated | 13 | 55053 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             |