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Refining District Minnesota-Wisconsin-North Dakota-South Dakota Refinery and Blender Net Production of Isobutane-Isobutylene (Thousand Barrels)
Refining District Minnesota-Wisconsin-North Dakota-South Dakota Refinery and Blender Net Production of Isobutane-Isobutylene (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1993 -8 28 -6 29 3 11 -14 -6 18 -11 7
  1994 12 13 -22 20 -4 6 12 -3 4 -10 5 56
  1995 1 16 -2 -18 32 12 -7 35 1 7 -22 4
  1996 -10 20 -9 -5 8 14 10 -21 2 6 26 -1
  1997 -16 -21 -4 19 3 -32 31 -11 10 -10 -22 -30
  1998 -43 -59 -46 -29 -41 -12 -8 -22 -54 -8 -30 -25
  1999 -14 -9 -18 -4 6 30 0 6 3 -16 -19 -19
  2000 -20 -13 12 -6 -20 -18 -11 -12 -10 -4 8 -7
  2001 -4 -30 -13 -40 -49 -35 -19 -17 -20 -22 -13 -1
  2002 -12 -6 -20 -16 -19 -18 -16 -10 -19 15 -30 -8
  2003 9 -3 35 -16 -19 -23 23 -19 7 -36 -25 -9
  2004 19 -14 -24 -30 -21 -21 -26 -30 8 -18 20 -10
  2005 2 4 -15 -6 -30 -35 -25 -25 -24 -35 6 -2
  2006 -1 7 -7 -27 2 8 10 9 9 3 -28 -23
  2007 -29 -11 32 46 -12 4 -5 -21 5 9 -4 -3
  2008 -6 -13 -2 4 -6 -11 -12 -8 4 -8 8 6
  2009 5 21 -12 23 -10 -2 -1 9 0 -13 -3 7
  2010 -3 8 -10 -40 7 -17 20 -7 -33 -10 1 -13
  2011 -18 4 -12 -47 -10 9 9 1 -23 17 8 -1
  2012 -4 1 -4 8 -1 -11 1 -5 -12 -11 -14 -7
  2013 -1 5 4 -1 -21 -25 -3 -19 -8 -3 -9 -11
  2014 4 -4 0 10 370 48 -481


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 9/29/2014
Next Release Date: Last Week of October 2014

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