| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 daily | 25 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    
| 2 | 2 several times a week | 249 | 
                                                                 
                                    
                                    16.4%
                                 
                                                             | 
                                                        
                    
| 3 | 3 about once a week | 305 | 
                                                                 
                                    
                                    20.1%
                                 
                                                             | 
                                                        
                    
| 4 | 4 less than once a week | 228 | 
                                                                 
                                    
                                    15%
                                 
                                                             | 
                                                        
                    
| 5 | 5 never | 82 | 
                                                                 
                                    
                                    5.4%
                                 
                                                             | 
                                                        
                    
| 8 | 8 don't know | 3 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| 9 | 9 no answer | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 625 | 
                                                                 
                                    
                                    41.2%
                                 
                                                             |