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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   
West Coast (PADD 5) Refinery and Blender Net Inputs of Isobutane/Isobutylene (Thousand Barrels)
Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9
  1980's 2,838 3,558 1,810 2,486 2,700 3,136 2,789 4,384 4,183
  1990's 4,535 6,319 7,047 7,068 6,800 5,955 6,160 6,174 5,583 4,899
  2000's 4,395 4,977 4,407 4,547 4,847 4,917 8,428 7,997


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