The 2007 CIA World Factbook

by United States. Central Intelligence Agency

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@2179 Natural gas - proved reserves (cu m)

Afghanistan
99.96 billion cu m (1 January 2005 est.)

Albania
2.832 billion cu m (1 January 2005 est.)

Algeria
4.545 trillion cu m (1 January 2005 est.)

Angola
45.87 billion cu m (1 January 2005 est.)

Argentina
612.5 billion cu m (1 January 2005 est.)

Australia
821.2 billion cu m (1 January 2005 est.)

Austria
15.01 billion cu m (1 January 2005 est.)

Azerbaijan
849.5 billion cu m (1 January 2005 est.)