Region |-----------1959 - 1988 trends----------| Trend N ( 95% CI ) Sign. Rel. Abu. BC 2.6 36 -2.5 7.7 207.44 CAL -1.0 69 -5.7 3.6 14.69 ORE -2.7 21 -7.9 2.5 28.87 WAS -1.2 28 -6.6 4.2 119.26 SUR 2.1 161 -2.7 6.8 79.05