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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   
West Coast (PADD 5) 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 4,365 4,740 3,787 2,590 2,001 2,575 2,020 2,090 918
  1990's 480 185 82 37 55
  2000's 203 1,203 429 13 43 222 460 443

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