Rank

Variables

Contribution (%)

1

Liquid Fuels (Li)

17.59

2

Li ∩ Ce

16.36

3

Ce ∩ Bu

15.73

4

Bunker Fuels (Bu)

15.06

5

Cement

10.77

6

Gas Flares (Gf)

8.95

7

Gas Fuels (Ga)

6.82

8

Ga ∩ Gf

5.43

9

Li ∩ Ga

2.25

10

Li ∩ Bu

0.02