Region |-----------1959 - 1988 trends----------|
Trend N ( 95% CI ) Sign. Rel. Abu.
ARI 4.4 22 1.5 7.2 *** 0.48
TEX -1.3 54 -3.0 0.4 1.28
SUR -1.0 93 -2.5 0.6 0.86