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 |