Region |-----------1959 - 1988 trends----------|
Trend N ( 95% CI ) Sign. Rel. Abu.
ARI 1.4 28 -1.8 4.5 0.26
CAL 2.7 97 0.5 4.9 ** 1.72
TEX -0.7 63 -2.5 1.1 0.60
WAS 4.4 14 -2.9 11.7 0.24
SUR 1.7 268 0.0 3.4 ** 0.73