Region |-----------1959 - 1988 trends----------| Trend N ( 95% CI ) Sign. Rel. Abu. ARI 6.5 14 -1.6 14.6 3.96 NM -3.1 25 -5.4 -0.9 *** 16.93 TEX -2.6 49 -5.8 0.6 14.08 SUR -2.5 96 -4.8 -0.2 ** 11.48