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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. Normal Butane-Butylene Imports (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 21,850 21,553 17,387 13,538 15,621 24,720 21,828 23,759 17,702
  1990's 18,241 12,836 10,175 10,798 8,513 5,764 6,878 8,775 8,612 5,655
  2000's 7,179 15,283 11,006 15,825 14,270 24,099 25,550 17,279

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