| 2019 | 2020 | 2021 | 2022 | 2023 | Change 23/22 | % Change 23/22 | Avg. Gr. (%) | Mean | SD | Min | Max | CV | Share in 2023 (%) | |
| Tax | 23.74 | 23.77 | 23.67 | 25.29 | 25.32 | 0.03 | 0.12 | 1.62 | 24.36 | 0.87 | 23.67 | 25.32 | 0.04 | 16.39 |
| Industry margin | 34.23 | 34.28 | 40.49 | 62.84 | 57.32 | -5.52 | -8.78 | 13.76 | 45.83 | 13.40 | 34.23 | 62.84 | 0.29 | 37.10 |
| Crude CIF price | 56.33 | 36.57 | 64.43 | 89.71 | 71.87 | -17.84 | -19.89 | 6.28 | 63.78 | 19.58 | 36.57 | 89.71 | 0.31 | 46.51 |
| Composite barrel | 114.30 | 94.62 | 128.59 | 177.84 | 154.51 | -23.33 | -13.12 | 7.83 | 133.97 | 32.83 | 94.62 | 177.84 | 0.25 | 100.00 |