Region |-----------1959 - 1988 trends----------| Trend N ( 95% CI ) Sign. Rel. Abu. ARI 2.3 19 0.0 4.5 * 0.35 CAL 2.7 38 1.2 4.2 *** 0.10 SUR 2.5 57 1.3 3.8 *** 0.18