Region |-----------1959 - 1988 trends----------| Trend N ( 95% CI ) Sign. Rel. Abu. ARI 0.1 18 -5.2 5.5 7.12 CAL 1.5 63 0.0 3.0 * 2.49 COL 2.0 27 -0.2 4.2 * 7.40 ORE 3.2 15 -7.9 14.2 1.75 SUR 0.8 184 -0.5 2.2 5.10