| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 12 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    
| 1 | Very Frequently | 72 | 
                                                                 
                                    
                                    4.7%
                                 
                                                             | 
                                                        
                    
| 2 | Quite frequently | 265 | 
                                                                 
                                    
                                    17.3%
                                 
                                                             | 
                                                        
                    
| 3 | Not frequently | 587 | 
                                                                 
                                    
                                    38.4%
                                 
                                                             | 
                                                        
                    
| 4 | Not at all frequently | 592 | 
                                                                 
                                    
                                    38.7%
                                 
                                                             |