Region |-----------1959 - 1988 trends----------| Trend N ( 95% CI ) Sign. Rel. Abu. BC 0.3 17 -1.1 1.7 0.25 CAL 0.0 59 -3.0 2.9 409.61 WAS -1.7 21 -7.6 4.2 3.89 SUR 0.0 110 -2.6 2.7 183.91