| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 23 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    
| 2 | Weekly | 10 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| 3 | Monthly | 30 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    
| 4 | Less than monthly | 132 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    
| 5 | Never | 3404 | 
                                                                 
                                    
                                    94.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 1208 |