| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 15 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    
| 1 | Very Frequently | 15 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    
| 2 | Quite frequently | 90 | 
                                                                 
                                    
                                    5.9%
                                 
                                                             | 
                                                        
                    
| 3 | Not frequently | 403 | 
                                                                 
                                    
                                    26.4%
                                 
                                                             | 
                                                        
                    
| 4 | Not at all frequently | 1005 | 
                                                                 
                                    
                                    65.8%
                                 
                                                             |