Explanatory Notes on Main Statistical Indicators

Proved Reserves are the tonnage of the proved amount in place that can be recovered under present and expected local economic conditions with existing available technology.

Total Final Consumption refers to the sum of consumption by the different end-use sectors.

Energy Production is the production of primary energy.

Bunkers Airs bunkers refer to bunkers of aviation gasoline and jet fuel. Sea bunkers refer to bunkers of hard coal, gas-diesel oil and residual fuel oil.

Total Primary Energy Supply refers to Production +imports-Exports-Bunkers-Changes in stocks.

Clean energy refer to noncarbohydrate energy that does not produce carbon dioxide when generated. It includes hydropower and nuclear, geothermal, and solar power, among others.

Combustible renewables and waste comprise solid biomass, liquid biomass, biogas, industrial waste, and municipal waste.