Region |-----------1959 - 1988 trends----------|
Trend N ( 95% CI ) Sign. Rel. Abu.
ARI -4.6 46 -8.5 -0.7 ** 18.36
BC -6.7 24 -8.6 -4.7 *** 0.80
CAL -0.6 138 -1.9 0.7 64.41
COL -2.6 29 -7.3 2.2 18.57
ILL -3.7 18 -8.5 1.1 1.00
IA -5.7 21 -8.6 -2.9 *** 1.40
KAN -5.8 34 -10.4 -1.2 ** 87.38
MO -9.7 20 -17.5 -1.8 ** 1.45
MON -1.3 18 -3.4 0.8 0.36
NEB -9.9 16 -17.6 -2.2 ** 23.82
NM -5.0 26 -8.1 -1.9 *** 15.05
ND -0.4 14 -1.2 0.5 0.06
OKL -3.4 20 -9.6 2.7 27.76
ORE -0.2 36 -1.8 1.5 8.83
TEX -0.4 99 -4.3 3.6 50.88
UT -5.0 17 -6.7 -3.3 *** 12.70
WAS -2.7 30 -5.1 -0.3 ** 4.29
WIS -2.0 17 -3.7 -0.3 ** 0.21
SUR -1.4 723 -2.7 0.0 ** 17.59