Region |-----------1959 - 1988 trends----------|
Trend N ( 95% CI ) Sign. Rel. Abu.
ARI 3.2 40 0.3 6.2 ** 1.81
BC -0.6 25 -3.4 2.2 0.62
CAL 3.6 80 1.2 6.0 *** 1.05
COL 2.0 40 0.4 3.6 ** 3.26
IDA 1.6 14 0.3 2.9 ** 0.91
KAN -1.3 23 -3.1 0.4 0.29
MON 3.4 27 1.3 5.5 *** 2.11
NM 0.4 25 -1.3 2.1 6.10
ORE 2.5 33 -2.5 7.5 8.58
TEX -1.3 36 -4.9 2.4 0.49
UT 2.2 15 -0.6 5.0 1.72
WAS 0.0 21 -1.0 0.9 0.38
WYO 0.2 19 -5.1 5.6 1.67
SUR 1.5 479 0.1 2.9 ** 1.64