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Download Data (XLS File)
Rocky Mountain (PADD 4) Isobutane-Isobutylene Imports (Thousand Barrels)
Rocky Mountain (PADD 4) Isobutane-Isobutylene 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 1,139 1,005 935 978 762 146
  1990's 338 194 156 148 70 137 310 145 1 118
  2000's 67 46 8 25 5

Release Date: 7/28/2008
Next Release Date: 7/31/2009

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