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Crude oil output in March was revised up slightly to 1.18 million tonnes, from 1.17 million tonnes previously, the General Statistics Office said in its monthly report.
Vietnam's January-April crude oil exports fell 6.1 percent from a year ago to an estimated 2.24 million tonnes, or 137,000 barrels per day (bpd).
The following table updates production figures for Vietnam's key energy products this month.
Units: Oil, coal and LPG in tonnes; natural gas in billion cubic metres; electricity in billion kilowatt hours.