Region |-----------1959 - 1988 trends----------| Trend N ( 95% CI ) Sign. Rel. Abu. ARI 1.8 25 -1.6 5.3 2.18 CAL 3.4 54 0.9 6.0 *** 1.13 COL 0.8 32 -2.6 4.2 4.09 MON 3.3 20 0.9 5.7 *** 0.83 NM -5.5 21 -9.0 -2.0 *** 5.06 ORE -0.3 21 -2.2 1.7 1.55 TEX -0.1 14 -2.2 2.0 0.42 SUR -2.2 242 -4.9 0.4 * 2.46