| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 557 | 
                                                                 
                                    
                                    41.5%
                                 
                                                             | 
                                                        
                    
| 2 | Monthly | 153 | 
                                                                 
                                    
                                    11.4%
                                 
                                                             | 
                                                        
                    
| 3 | Once a year | 108 | 
                                                                 
                                    
                                    8%
                                 
                                                             | 
                                                        
                    
| 4 | Less than once a year | 47 | 
                                                                 
                                    
                                    3.5%
                                 
                                                             | 
                                                        
                    
| 5 | Never | 435 | 
                                                                 
                                    
                                    32.4%
                                 
                                                             | 
                                                        
                    
| 99 | Refuse to answer | 43 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 413 |