Region |-----------1959 - 1988 trends----------| Trend N ( 95% CI ) Sign. Rel. Abu. ARI 1.4 14 -15.0 17.8 3.16 CAL 4.4 95 2.1 6.7 *** 7.79 FLA 0.9 65 -0.9 2.8 9.84 LA 6.1 18 -0.7 12.9 * 31.92 NC -0.2 14 -4.1 3.7 1.61 TEX 3.3 48 1.1 5.6 *** 2.93 SUR 2.4 327 1.0 3.7 *** 7.45