| Value | Category | Cases | |
|---|---|---|---|
| -3 | Missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -2 | Do not know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -1 | Refused | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 1 | at least five days a week | 20 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    
| 2 | at least once a month | 748 | 
                                                                 
                                    
                                    79.2%
                                 
                                                             | 
                                                        
                    
| 3 | at least once a week | 27 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    
| 4 | at least once a year | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 5 | at least once in six months | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 6 | at least twice a month | 150 | 
                                                                 
                                    
                                    15.9%
                                 
                                                             | 
                                                        
                    
| 99 | Other | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 54 |