| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than once a week | 7844 | 
                                                                 
                                    
                                    6.6%
                                 
                                                             | 
                                                        
                    
| 2 | Never | 85335 | 
                                                                 
                                    
                                    71.5%
                                 
                                                             | 
                                                        
                    
| 3 | Once a week | 5178 | 
                                                                 
                                    
                                    4.3%
                                 
                                                             | 
                                                        
                    
| 4 | Three or more times a week | 14857 | 
                                                                 
                                    
                                    12.4%
                                 
                                                             | 
                                                        
                    
| 5 | Twice a week | 6205 | 
                                                                 
                                    
                                    5.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 5053 |