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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   
Gulf Coast (PADD 3) Isobutane-Isobutylene Product Supplied (Thousand Barrels per Day)
Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9
  1980's 32
  1990's 25 42 40 51 73 69 77 82 84 87
  2000's 91 94 93 78 46 53 38 29


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