U (s)

P-value

Null Hypothesis

Trend Direction

Trend Extent

Classifying

Pmin

−2.762

0.006

Rejected

Decrease

Significant

1

Pmax

−2.134

0.033

Rejected

Decrease

Significant

3

Pmoy

−2.656

0.008

Rejected

Decrease

Significant

2

Pampl

−1.978

0.115

Rejected

Decrease

Not significant

4