| 2019 | 2020 | 2021 | 2022 | 2023 | Change 23/22 | % Change 23/22 | Avg. Gr. (%) | Mean | SD | Min | Max | CV | Share in 2023 (%) | |
| Tax | 149.98 | 148.47 | 159.42 | 153.07 | 157.27 | 4.20 | 2.74 | 1.19 | 153.64 | 4.66 | 148.47 | 159.42 | 0.03 | 50.74 |
| Industry margin | 39.23 | 36.93 | 39.13 | 46.73 | 67.35 | 20.62 | 44.13 | 14.47 | 45.87 | 12.57 | 36.93 | 67.35 | 0.27 | 21.73 |
| Crude CIF price | 64.98 | 44.04 | 71.70 | 105.06 | 85.32 | -19.74 | -18.79 | 7.05 | 74.22 | 22.79 | 44.04 | 105.06 | 0.31 | 27.53 |
| Composite barrel | 254.19 | 229.44 | 270.25 | 304.86 | 309.94 | 5.08 | 1.67 | 5.08 | 273.74 | 34.04 | 229.44 | 309.94 | 0.12 | 100.00 |