| Value | Category | Cases | |
|---|---|---|---|
| A lot less (less than half as much) | 18 |
1.6%
|
|
| A lot more (increased by more than 50%) | 7 |
0.6%
|
|
| Don't know | 20 |
1.8%
|
|
| Refused | 23 |
2.1%
|
|
| Same | 428 |
38.8%
|
|
| Slightly less | 253 |
22.9%
|
|
| Slightly more | 354 |
32.1%
|