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Note: These data are available in spreadsheet format by clicking the ''Download Series History'' link on the previous page (with drop-down menu bar at top).
 View History:  Annual  
U.S. Crude Oil Reserves Extensions (Million Barrels)
Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9
  1970's 496 444 424
  1980's 572 750 634 629 744 742 405 484 355 514
  1990's 456 365 391 356 397 500 543 477 327 259
  2000's 766 866 492 426 617 805 504


Updated on 1/2/2008
Source: U.S. Energy Information Administration
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