Region |-----------1959 - 1988 trends----------| Trend N ( 95% CI ) Sign. Rel. Abu. BC -1.5 26 -7.5 4.5 55.07 CAL -4.2 42 -8.5 0.2 * 10.45 WAS 10.0 23 4.2 15.8 *** 8.06 SUR -1.7 98 -5.3 2.0 25.80