Region |-----------1959 - 1988 trends----------| Trend N ( 95% CI ) Sign. Rel. Abu. ARI 0.1 35 -2.0 2.2 1.22 CAL 0.1 34 -0.8 1.0 0.02 NM -0.7 21 -4.5 3.0 0.23 TEX -0.1 69 -1.6 1.3 0.50 SUR 0.0 197 -1.5 1.4 0.28