| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1089 | 
                                                                 
                                    
                                    87.8%
                                 
                                                             | 
                                                        
                    
| 1 | At least once a week | 40 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    
| 2 | Less than once a week | 99 | 
                                                                 
                                    
                                    8%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 11 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    |
| r | RF | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             |