| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 19 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    
| -1 | Don't know | 45 | 
                                                                 
                                    
                                    4.5%
                                 
                                                             | 
                                                        
                    
| 1 | A great deal | 66 | 
                                                                 
                                    
                                    6.6%
                                 
                                                             | 
                                                        
                    
| 2 | Quite a lot | 285 | 
                                                                 
                                    
                                    28.5%
                                 
                                                             | 
                                                        
                    
| 3 | Not very much | 396 | 
                                                                 
                                    
                                    39.6%
                                 
                                                             | 
                                                        
                    
| 4 | None at all | 189 | 
                                                                 
                                    
                                    18.9%
                                 
                                                             |