| 2019 | 2020 | 2021 | 2022 | 2023 | Change 23/22 | % Change 23/22 | Avg. Gr. (%) | Mean | SD | Min | Max | CV | Share in 2023 (%) | |
| Tax | 75.27 | 78.40 | 76.07 | 65.62 | 62.22 | -3.40 | -5.18 | -4.65 | 71.52 | 7.13 | 62.22 | 78.40 | 0.10 | 35.24 |
| Industry margin | 50.55 | 57.23 | 54.85 | 19.13 | 27.72 | 8.59 | 44.90 | -13.95 | 41.90 | 17.30 | 19.13 | 57.23 | 0.41 | 15.70 |
| Crude CIF price | 66.78 | 46.85 | 70.25 | 102.11 | 86.60 | -15.51 | -15.19 | 6.71 | 74.52 | 20.92 | 46.85 | 102.11 | 0.28 | 49.05 |
| Composite barrel | 192.60 | 182.48 | 201.17 | 186.86 | 176.54 | -10.32 | -5.52 | -2.15 | 187.93 | 9.46 | 176.54 | 201.17 | 0.05 | 100.00 |