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13. Venezuela

Crude production: 2.35 million barrels per day
Share of world production: 2.8%
Daily crude exports to the US: 825,000 barrels
Proven reserves: 99.4 billion barrels

Pictured: View of an oil rig at Maracaibo Lake, located in the border state of Zulia, in western Caracas on October 27, 2010.

Photo: Juan Barreto | AFP | Getty Images