| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 3 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| -1 | Don't know | 32 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    
| 1 | A great deal | 238 | 
                                                                 
                                    
                                    23.8%
                                 
                                                             | 
                                                        
                    
| 2 | Quite a lot | 334 | 
                                                                 
                                    
                                    33.4%
                                 
                                                             | 
                                                        
                    
| 3 | Not very much | 254 | 
                                                                 
                                    
                                    25.4%
                                 
                                                             | 
                                                        
                    
| 4 | None at all | 139 | 
                                                                 
                                    
                                    13.9%
                                 
                                                             |