| 2019 | 2020 | 2021 | 2022 | 2023 | Change 23/22 | % Change 23/22 | Avg. Gr. (%) | Mean | SD | Min | Max | CV | Share in 2023 (%) | |
| Tax | 159.07 | 155.57 | 168.82 | 131.04 | 164.38 | 33.34 | 25.44 | 0.82 | 155.78 | 14.72 | 131.04 | 168.82 | 0.09 | 53.24 |
| Industry margin | 41.34 | 41.46 | 42.28 | 72.04 | 58.82 | -13.22 | -18.35 | 9.22 | 51.19 | 13.82 | 41.34 | 72.04 | 0.27 | 19.05 |
| Crude CIF price | 64.70 | 43.24 | 71.45 | 99.91 | 85.55 | -14.36 | -14.37 | 7.23 | 72.97 | 21.44 | 43.24 | 99.91 | 0.29 | 27.71 |
| Composite barrel | 265.11 | 240.27 | 282.55 | 302.99 | 308.75 | 5.76 | 1.90 | 3.88 | 279.93 | 28.11 | 240.27 | 308.75 | 0.10 | 100.00 |