| Less than 10% higher | 21 % |
| More than 10% higher | 30 % |
| Less than 10% lower | 15 % |
| More than 10% lower | 10 % |
| About the same | 25 % |
| Total | 81 |
| Less than 10% higher | 21 % |
| More than 10% higher | 30 % |
| Less than 10% lower | 15 % |
| More than 10% lower | 10 % |
| About the same | 25 % |
| Total | 81 |