View History:    Monthly     Annual   
Download Data (XLS File)
U.S. Refinery and Blender Net Production of Isobutane-Isobutylene (Thousand Barrels per Day)
U.S. Refinery and Blender Net Production of Isobutane-Isobutylene (Thousand Barrels per Day)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1981 4 3 3 4 4 4 3 4 1 0 0 1
  1982 0 0 0 0 0 0 -1 -1 -1 4 -1 1
  1983 1 0 1 1 2 0 3 0 0 2 2 2
  1984 0 0 -1 -1 -1 -1 0 -1 -1 3 3 2
  1985 -1 -2 0 -2 0 -1 2 0 -1 -3 0 0
  1986 11 1 7 -6 7 10 7 3 11 1 5 0
  1987 9 12 9 7 8 12 10 15 16 14 10 7
  1988 8 8 20 16 18 15 19 13 16 10 9 5
  1989 14 7 14 17 20 15 16 13 16 15 10 4
  1990 7 13 10 10 13 9 16 12 18 10 4 9
  1991 7 5 9 1 6 4 9 10 4 -7 2 2
  1992 5 16 15 16 18 6 9 12 10 13 3 -2
  1993 7 11 12 11 24 16 16 17 10 6 8 11
  1994 13 10 16 9 8 18 21 27 6 6 7 13
  1995 -4 2 21 20 10 14 26 20 9 18 11 3
  1996 9 8 17 14 7 27 15 10 22 11 -4 -2
  1997 11 5 5 17 19 12 19 12 18 9 3 7
  1998 11 7 10 28 10 24 20 11 10 8 -2 4
  1999 9 13 1 21 17 13 25 -1 7 1 -7 -1
  2000 0 2 3 7 9 16 22 11 1 4 -5 -2
  2001 7 3 3 3 14 -1 -1 4 1 -12 -20 -19
  2002 -10 1 5 0 3 5 8 1 6 -21 -21 -5
  2003 -19 -4 -10 -10 -20 4 -15 -14 0 -12 -7 -11
  2004 -16 -21 -22 -9 -22 -25 -25 -20 -16 -24 -14 -13
  2005 -18 -31 -38 -30 -43 -42 -33 -29 -34 -28 -11 -27
  2006 0 -1 -2 -5 14 -10 -3 4 -3 -1 -6 1
  2007 12 23 14 2 12 3 12 2 4 3 -8 -9
  2008 4 6 18 16 11 8 -1 4 11 -2 2 17
  2009 13 7 -4 -2 -11 1 -11 2 -8 -2 4 19
  2010 5 -3 -7 0 1 2 0 -11 -9 -6 -6 -7
  2011 5 19 5 1 -1 0 -12 -5 -6 -7 2 -2
  2012 3 12 18 17 -9 -5 3 -5 -4 13 -3 -8
  2013 6 14 -8 3 -5 -2 -4 -8 -12 -16 -12 -21
  2014 -12 -4 -5 -4 -1 -8 -21 -5 -5 -9 -10 -23
  2015 -12 -3 -4 -6 -10 -3 -10 -3 -8 -10 1 -11
  2016 -15 0 -1 -3 0 -3 -3 -5 -8 -9 -13 -13
  2017 -10 5 15 0 -6 -4 -11 -5 -7 1 -23 -23
  2018 -21 -20 -4 -13 -12 -12 -18 -2 -10 -16 -18 -21
  2019 -11 -5 -10 -13 -9 -11 -15 -17 -14 -18 -23 -32
  2020 -25 -21 -6 -11 -25 -16 -16 -24 -25 -24 -27 -33
  2021 -24 -14 4 -10 -4 -3 -5 -7 -13 -7 -12 -11
  2022 -- -- -- -- -- -- -- -- -- -- -- --
  2023 -- -- -- -- -- -- -- -- -- -- -- --
  2024 -- -- -- -- -- -- -- --


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 10/31/2024
Next Release Date: 11/29/2024

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