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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   
East Coast (PADD 1) Isobutane-Isobutylene Field Production (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 290 431 391 586 586 496 510 479 537
  1990's 496 467 470 491 409 422 326 442 453 469
  2000's 458 470 480 390 637 620 681 667


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