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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) Refinery and Blender Net Inputs of Normal Butane/Butylene (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 22,731 22,985 21,506 22,523 19,998 17,662 17,099 16,145 13,891
  1990's 13,308 15,216 15,140 13,322 11,693 12,187 11,238 11,597 12,156 11,471
  2000's 10,823 11,224 12,233 10,004 8,861 11,423 11,284 9,271


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