View History:    Monthly     Annual   
Download Data (XLS File)
U.S. Product Supplied of Isobutane-Isobutylene (Thousand Barrels per Day)
U.S. Product Supplied of Isobutane-Isobutylene (Thousand Barrels per Day)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1981 7 0 5 2 4 4 3 4 1 0 0 9
  1982 0 0 0 0 0 0 -2 -1 0 4 -1 1
  1983 1 0 0 1 0 1 1 1 1 0 2 2
  1984 40 -9 13 14 -3 -25 1 2 -7 -2 36 27
  1985 44 49 28 35 19 10 17 -19 9 11 45 43
  1986 58 48 54 -1 33 29 61 18 34 41 46 65
  1987 50 86 43 39 2 90 48 36 29 58 66 60
  1988 94 68 54 41 44 19 31 28 39 59 56 67
  1989 42 36 25 35 31 23 14 25 1 44 17 9
  1990 32 19 28 20 -3 18 39 20 7 21 -3 30
  1991 48 33 32 30 32 12 48 12 39 40 50 46
  1992 -29 118 24 33 26 44 26 17 20 52 63 44
  1993 38 44 41 53 27 57 30 60 39 65 70 59
  1994 58 54 74 72 48 57 104 80 63 75 91 76
  1995 76 75 39 81 70 78 55 60 84 56 89 51
  1996 70 65 78 64 98 94 74 79 108 79 94 53
  1997 80 112 97 85 69 83 77 91 98 115 97 110
  1998 89 101 67 112 79 102 108 68 97 106 84 91
  1999 91 106 75 75 89 104 114 82 99 93 103 108
  2000 111 115 95 98 100 106 101 97 90 117 103 83
  2001 76 93 79 98 80 111 89 88 93 107 89 92
  2002 65 59 89 62 94 95 80 90 75 70 89 90
  2003 75 93 86 92 45 39 64 65 69 30 100 95
  2004 48 63 17 41 28 20 5 16 7 62 25 30
  2005 26 11 25 8 23 36 43 29 39 30 44 50
  2006 30 35 9 3 -3 19 41 6 33 4 -7 8
  2007 21 28 18 -20 -18 12 -3 3 -17 -4 12 29
  2008 15 26 5 0 -16 -4 -6 4 0 9 33 -20
  2009 20 16 21 3 5 17 19 7 10 -2 28 5
  2010 24 22 42 25 8 27 28 22 5 20 50 33
  2011 37 53 36 31 26 26 30 44 29 28 21 47
  2012 37 48 40 45 37 22 29 52 31 35 43 70
  2013 78 61 53 47 45 68 66 64 18 73 71 61
  2014 51


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 3/28/2014
Next Release Date: Last Week of April 2014

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