Region |-----------1959 - 1988 trends----------|
Trend N ( 95% CI ) Sign. Rel. Abu.
ARI 2.1 25 0.7 3.5 *** 0.07
BC 1.5 14 0.1 2.8 ** 0.08
CAL 2.4 79 1.4 3.5 *** 0.07
ORE 2.0 29 1.0 3.0 *** 0.12
WAS 2.9 21 1.1 4.6 *** 0.07
SUR 2.1 206 1.2 3.0 *** 0.07