| OR 1997 Q4 13738.6822 | |
| OR 1997 Q2 12678.9611 | |
| WA 1997 Q4 29172.7187 | |
| WA 1997 Q2 24953.2473 | |
| CA 1997 Q2 15332.0164 | |
| CA 1997 Q4 18094.4980 | |
| OR 1997 Q1 16081.0735 | |
| WA 1997 Q1 25240.0819 | |
| CA 1997 Q1 14431.0851 | |
| WA 1997 Q3 25958.2600 | |
| CA 1997 Q3 15672.8256 | |
| OR 1997 Q3 14273.7838 |