| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | None | 10718 | 31097298 | 
                                                                 
                                    
                                    97.9%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 2 | Daily | 0 | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 3 | More than once a week | 2 | 6253 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 4 | Weekly | 12 | 35776 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 5 | Monthly | 44 | 135673 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 6 | Every 2 months | 0 | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 7 | Every 6 months | 0 | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 8 | Few times a year | 114 | 388496 | 
                                                                 
                                    
                                    1.2%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 9 | Once a year | 0 | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 99 | Not stated | 26 | 104421 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             |