Rank | Variables | Contribution (%) |
1 | Liquid Fuels (Li) | 12.8 |
2 | Solid Fuels (So) | 11.3 |
3 | Li ∩ So | 10.8 |
4 | So ∩ Gf | 9.8 |
5 | Ce ∩ Gf | 8.6 |
6 | Cement (Ce) | 8.1 |
7 | Gas Fuels (Ga) | 7.1 |
8 | So ∩ Ce | 6.6 |
9 | So ∩ Ga | 6.5 |
10 | Li ∩ Ga | 6.3 |
11 | Li ∩ Ce | 5.8 |
12 | Gas Flares (Gf) | 3.8 |