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Download Data (XLS File)
U.S. Isobutane-Isobutylene Stock Change (Thousand Barrels per Day)
U.S. Isobutane-Isobutylene Stock Change (Thousand Barrels per Day)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1981 21 6 -8 15 -5 -4 3 -10 -8 -3 0 -12
  1982 -21 7 -22 -18 13 -2 9 13 20 17 2 -31
  1983 -35 2 11 33 16 57 9 -21 -7 29 -12 -26
  1984 -33 8 -16 -9 2 26 -13 -8 0 8 -20 1
  1985 -13 -34 8 -12 8 1 -9 -8 -14 15 -8 8
  1986 -16 2 10 24 0 28 28 27 -4 -12 6 -53
  1987 -23 -33 -5 7 41 -41 1 22 60 21 2 9
  1988 -35 -24 -1 13 -8 15 15 14 16 -11 -21 -53
  1989 -15 11 25 7 15 -19 5 0 9 -2 -9 -25
  1990 -42 25 18 13 34 20 2 25 21 -4 -18 -36
  1991 -23 0 -3 -15 7 22 -14 31 -4 -2 -26 -30
  1992 75 -69 14 5 6 -35 -9 37 53 26 1 -19
  1993 -6 -6 13 21 61 12 13 -23 8 -30 -57 -24
  1994 -7 16 11 -19 -14 -20 31 35 -26 -35 -42
  1995 -3 -21 6 19 21 8 20 7 -31 -11 -34 -12
  1996 -21 -10 13 19 -4 30 30 16 -17 12 -47 -7
  1997 -20 -33 -2 30 32 18 22 10 11 -21 -25 -8
  1998 11 -7 19 -2 6 7 -11 14 -3 -30 -20 -15
  1999 -7 7 -3 13 9 0 9 -16 -12 4 -16 -22
  2000 -18 -1 -5 6 13 36 32 2 -18 -26 -23 -9
  2001 -5 3 20 -1 41 -1 -12 21 1 -18 -21 -25
  2002 -4 36 9 24 -1 -13 -5 8 2 -2 -13 -19
  2003 -12 -4 -12 7 8 29 -5 3 23 35 -38 -45
  2004 -12 -11 39 5 -9 -15 22 16 15 -61 7 1
  2005 9 12 -7 24 8 -24 7 25 -22 19 -6 -29
  2006 2 4 28 20 39 -23 -32 -2 -7 3 7 -45
  2007 0 22 7 26 22 -1 2 -11 18 18 -44 -42
  2008 2 3 23 14 12 -2 -5 20 6 -30 -34 -1
  2009 8 23 -19 -7 2 -8 -2 4 -7 17 -16 0
  2010 3 10 -9 -5 14 9 7 -1 28 16 -38 -27
  2011 -9 -3 15 10 15 -9 -20 -22 -6 1 15 16
  2012 27 -1 13 14 -7 -18 9 -11 13 15 11 -18
  2013 -7 10 4 37 15 -18 -5 1 19 -54 -14 -23
  2014 -12 4 7 5


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 6/27/2014
Next Release Date: Last Week of July 2014

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