| Date - Field | United States - Natural gas - proved reserves |
2010 January
Natural gas - proved reserves | 6.731 trillion cu m (1 January 2009 est.) |
2009 January
Natural gas - proved reserves | 5.977 trillion cu m (1 January 2008 est.) |
2008 January
Natural gas - proved reserves | 5.551 trillion cu m (1 January 2006 est.) |
2007 January
Natural gas - proved reserves | 5.451 trillion cu m (1 January 2005 est.) |
2006 January
Natural gas - proved reserves | 5.195 trillion cu m (1 January 2002) |
2005 January
Natural gas - proved reserves | 5.195 trillion cu m (1 January 2002) |
2004 January
Natural gas - proved reserves | 5.195 trillion cu m (1 January 2002) |
2003 January
Natural gas - proved reserves | 5.195 trillion cu m (January 2002 est.) |
2002 January
Natural gas - proved reserves | void - (all current Economy informations) |
2001 January
Natural gas - proved reserves | void - (all current Economy informations) |
2000 January
Natural gas - proved reserves | void - (all current Economy informations) |
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