Region |-----------1959 - 1988 trends----------|
Trend N ( 95% CI ) Sign. Rel. Abu.
ARI -0.9 27 -2.6 0.9 0.30
CAL -0.2 27 -1.1 0.7 0.03
TEX 1.5 28 -0.3 3.3 0.12
SUR -0.5 95 -2.4 1.4 0.11