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 View History:    Monthly     Annual   
Download Data (XLS File)
U.S. Refinery Net Production of Isobutane-Isobutylene(Thousand Barrels)
U.S. Refinery Net Production of Isobutane-Isobutylene(Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  2005 -567 -870 -1,193 -905 -1,322 -1,264 -1,012 -909 -1,013 -881 -322 -823
  2006 10 -17 -52 -160 428 -312 -102 132 -77 -29 -169 36
  2007 371 647 447 61 360 80 385 77 123 83 -228 -289
  2008 122 161 553 494 346 225 -22 138 331 -71 45 531
  2009 284 273 6 -6 -279 -10 -260 41

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 10/29/2009
Next Release Date: Last Week of November 2009

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