| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 28 | 
                                                                 
                                    
                                    1.8%
                                 
                                                             | 
                                                        
                    
| 1 | Very Frequently | 23 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    
| 2 | Quite frequently | 124 | 
                                                                 
                                    
                                    8.1%
                                 
                                                             | 
                                                        
                    
| 3 | Not frequently | 460 | 
                                                                 
                                    
                                    30.1%
                                 
                                                             | 
                                                        
                    
| 4 | Not at all frequently | 893 | 
                                                                 
                                    
                                    58.4%
                                 
                                                             |