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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   
East Coast (PADD 1) Isobutane-Isobutylene Stock Change (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 -11
  1990's 163 -66 -30 -20 117 -7 -37 223 -211 -1
  2000's -37 69 78 -142 21 32 67 7


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