| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Never | 6298 | 12197847 | 
                                                                 
                                    
                                    40.8%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 2 | 1-3 times | 6860 | 13992526 | 
                                                                 
                                    
                                    46.8%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 3 | 3+ times | 1870 | 3724001 | 
                                                                 
                                    
                                    12.4%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 99 | Not stated | 1 | 3695 | 
                                                                 
                                    
                                    0%
                                 
                                                             |