Region |-----------1959 - 1988 trends----------|
Trend N ( 95% CI ) Sign. Rel. Abu.
ARI 2.5 46 0.5 4.4 ** 2.41
ARK -1.1 16 -2.5 0.2 * 0.20
BC -1.3 22 -2.7 0.0 * 2.14
CAL 2.6 132 1.4 3.8 *** 2.57
KAN -2.8 15 -5.5 0.0 * 0.21
MO -0.4 18 -2.0 1.2 0.21
NM 3.6 25 1.4 5.8 *** 1.07
OKL -2.3 24 -4.2 -0.4 ** 1.10
ORE 1.0 31 -0.8 2.8 1.85
TEN -3.0 23 -4.1 -1.8 *** 0.20
TEX -2.0 111 -3.2 -0.8 *** 3.83
WAS 2.9 31 0.5 5.3 ** 2.02
SUR 0.6 618 -0.5 1.6 1.36