Rank

Variables

Contribution (%)

1

Gas Fuels (Ga)

48.72

2

Li ∩ Bu

12.41

3

Li²

11.79

4

Bu²

7.78

5

Gas Flares (Gf)

6.66

6

Li ∩ Gf

5.06

7

Li ∩ Bu

4.71

8

Liquid Fuels (Li)

2.86