PH

PL

NG

TGW

NT

GY

NPT

PH

1

PL

−0.309

1

NG

−0.197

−0.067

1

TGW

−0.143

0.251

0.250

1

NT

−0.378*

−0.085

−0.098

−0.466**

1

NPT

−0.388*

−0.071

−0.087

−0.442*

0.998**

1

GY

−0.830**

0.544**

0.070

0.157

0.324

0.336

1