Region |-----------1959 - 1988 trends----------| Trend N ( 95% CI ) Sign. Rel. Abu. ARI 3.3 21 1.5 5.2 *** 2.65 CAL -1.1 112 -2.6 0.4 7.71 ORE -0.9 16 -3.3 1.5 2.13 SUR -0.8 162 -2.2 0.6 3.47