Region |-----------1959 - 1988 trends----------| Trend N ( 95% CI ) Sign. Rel. Abu. ARI -0.9 30 -2.6 0.7 5.31 NM 1.6 17 0.4 2.8 *** 0.40 TEX -2.5 71 -4.8 -0.2 ** 2.24 SUR -1.7 131 -3.5 0.0 * 1.56