| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 5 | 
                                    
                                    0.4%
                                 | 
| -1 | Don't know | 770 | 
                                    
                                    64.2%
                                 | 
| 1 | A great deal | 2 | 
                                    
                                    0.2%
                                 | 
| 2 | Quite a lot | 15 | 
                                    
                                    1.3%
                                 | 
| 3 | Not very much | 102 | 
                                    
                                    8.5%
                                 | 
| 4 | None at all | 306 | 
                                    
                                    25.5%
                                 |