| 2019 | 2020 | 2021 | 2022 | 2023 | Change 23/22 | % Change 23/22 | Avg. Gr. (%) | Mean | SD | Min | Max | CV | Share in 2023 (%) | |
| Tax | 130.77 | 126.28 | 153.46 | 151.16 | 151.75 | 0.59 | 0.39 | 3.79 | 142.68 | 13.05 | 126.28 | 153.46 | 0.09 | 49.94 |
| Industry margin | 40.25 | 42.01 | 47.56 | 73.41 | 67.09 | -6.32 | -8.61 | 13.62 | 54.06 | 15.19 | 40.25 | 73.41 | 0.28 | 22.08 |
| Crude CIF price | 64.43 | 43.05 | 71.19 | 97.99 | 85.04 | -12.95 | -13.22 | 7.18 | 72.34 | 20.86 | 43.05 | 97.99 | 0.29 | 27.98 |
| Composite barrel | 235.45 | 211.34 | 272.21 | 322.56 | 303.88 | -18.68 | -5.79 | 6.59 | 269.09 | 46.22 | 211.34 | 322.56 | 0.17 | 100.00 |