| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 1022 | 
                                                                 
                                    
                                    14.6%
                                 
                                                             | 
                                                        
                    
| 1 | Less than once a week | 479 | 
                                                                 
                                    
                                    6.8%
                                 
                                                             | 
                                                        
                    
| 2 | At least once a week | 1331 | 
                                                                 
                                    
                                    19%
                                 
                                                             | 
                                                        
                    
| 3 | Almost every day | 4162 | 
                                                                 
                                    
                                    59.5%
                                 
                                                             | 
                                                        
                    
| 9 | No response | 6 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 1533 |