| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 12 | 
                                                                 
                                    
                                    8.8%
                                 
                                                             | 
                                                        
                    
| 2 | Monthly | 23 | 
                                                                 
                                    
                                    16.9%
                                 
                                                             | 
                                                        
                    
| 3 | A few times a year | 69 | 
                                                                 
                                    
                                    50.7%
                                 
                                                             | 
                                                        
                    
| 4 | Rarely | 30 | 
                                                                 
                                    
                                    22.1%
                                 
                                                             | 
                                                        
                    
| 5 | Never | 2 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2 |