| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 61 | 
                                                                 
                                    
                                    4%
                                 
                                                             | 
                                                        
                    
| 1 | Very Frequently | 30 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    
| 2 | Quite frequently | 79 | 
                                                                 
                                    
                                    5.2%
                                 
                                                             | 
                                                        
                    
| 3 | Not frequently | 263 | 
                                                                 
                                    
                                    17.2%
                                 
                                                             | 
                                                        
                    
| 4 | Not at all frequently | 1095 | 
                                                                 
                                    
                                    71.7%
                                 
                                                             |