| EII/ TBD RATIO | 2017 | 2018 |
|---|---|---|
| WWE1 [MJ/t] | 2 876 | 2 828 |
| WWE2 [MJ/t] | 4 025 | 3 937 |
A drop in ratios compared to December 2017 due to a record amount of processed oil in 2018.
The EII coefficient determines the ratio of consumption of all types of energy (liquid fuels, gaseous fuels and electricity) to the amount of processed feed-WWE1 (or WWE2- to the number of components produced).