Oil: All figures are reported to the nearest whole number of thousand metric tons, except where oth erwise specified.Natural gas: All figures are reported to the nearest whole number of million cubic metres (at 15 deg C and 760 mm Hg).Coal: All figures are reported to the nearest whole number of thousand (or million) metric tons.Electricity: All figures are reported to the nearest whole number of gigawatt hours (GWh).
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