Region |-----------1959 - 1988 trends----------| Trend N ( 95% CI ) Sign. Rel. Abu. ARI -3.8 23 -6.4 -1.2 *** 1.79 CAL -2.5 59 -4.2 -0.8 *** 0.64 SUR -3.4 86 -5.1 -1.7 *** 1.01