Region |-----------1959 - 1988 trends----------| Trend N ( 95% CI ) Sign. Rel. Abu. BC -2.2 16 -6.3 1.9 30.02 CAL -2.1 128 -3.2 -0.9 *** 22.27 ORE -0.7 42 -5.7 4.3 32.73 WAS 1.6 30 -0.8 4.1 22.87 SUR -1.6 237 -3.0 -0.2 ** 29.84