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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:    Monthly     Annual   
U.S. Refinery and Blender Net Production of Liquefied Petroleum Gases - Isobutane (Thousand Barrels)
Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9
  1990's 3,808 3,591 3,619 2,727 3,039 2,914 1,908
  2000's 916 -1,551 -1,982 -4,266 -7,451 -11,133 -926 -1,164


Updated on 6/26/2008
Source: U.S. Energy Information Administration
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