| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every day | 65 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    
| 2 | More than twice a week | 169 | 
                                                                 
                                    
                                    1.7%
                                 
                                                             | 
                                                        
                    
| 3 | Once or twice a week | 386 | 
                                                                 
                                    
                                    3.9%
                                 
                                                             | 
                                                        
                    
| 4 | A few times a month | 1031 | 
                                                                 
                                    
                                    10.5%
                                 
                                                             | 
                                                        
                    
| 5 | Rarely | 2664 | 
                                                                 
                                    
                                    27%
                                 
                                                             | 
                                                        
                    
| 6 | Never | 5541 | 
                                                                 
                                    
                                    56.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 4 |