Region |-----------1959 - 1988 trends----------| Trend N ( 95% CI ) Sign. Rel. Abu. BC -3.0 33 -6.5 0.5 * 39.00 CAL 2.3 72 -1.9 6.6 31.30 ORE 0.9 21 -5.5 7.3 51.34 WAS 1.1 25 -6.8 9.0 92.54 SUR -1.6 161 -4.4 1.2 25.54