Explanatory Variable

Difference

Estimate

T-value

Pr > |t|

LFDI

1

0.04180

3.54

0.0006***

GDP

1

8.3426

3.56

0.0005***

OPN

1

0.1607

34.22

<0.0001***

NR

1

0.0958

46.60

<0.0001***

TERR

1

−0.3650

−5.78

<0.0001***