| Value | Category | Cases | |
|---|---|---|---|
| A lot less (less than half as much) | 56 | 
                                    
                                    5.3%
                                 | |
| A lot more (increased by more than 50%) | 43 | 
                                    
                                    4.1%
                                 | |
| Don't know | 33 | 
                                    
                                    3.1%
                                 | |
| Refused | 9 | 
                                    
                                    0.9%
                                 | |
| Same | 280 | 
                                    
                                    26.6%
                                 | |
| Slightly less | 368 | 
                                    
                                    35%
                                 | |
| Slightly more | 263 | 
                                    
                                    25%
                                 |