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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   
Midwest (PADD 2) 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 10,036 11,172 9,255 5,908 6,331 5,954 6,946 7,271 6,638
  1990's 5,898 5,324 6,170 3,421 2,724 1,932 1,643 3,621 2,309 2,766
  2000's 3,993 3,268 3,333 2,500 1,438 4,900 4,043 3,828

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