| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 27 | 
                                                                 
                                    
                                    1.8%
                                 
                                                             | 
                                                        
                    
| -1 | Don't know | 215 | 
                                                                 
                                    
                                    14.1%
                                 
                                                             | 
                                                        
                    
| 1 | A great deal | 17 | 
                                                                 
                                    
                                    1.1%
                                 
                                                             | 
                                                        
                    
| 2 | Quite a lot | 372 | 
                                                                 
                                    
                                    24.3%
                                 
                                                             | 
                                                        
                    
| 3 | Not very much | 670 | 
                                                                 
                                    
                                    43.8%
                                 
                                                             | 
                                                        
                    
| 4 | None at all | 227 | 
                                                                 
                                    
                                    14.9%
                                 
                                                             |