Region |-----------1959 - 1988 trends----------|
Trend N ( 95% CI ) Sign. Rel. Abu.
ARI 2.7 16 1.1 4.3 *** 0.52
TEX -0.1 53 -1.7 1.5 0.39
SUR 0.3 75 -1.2 1.7 0.36