View History:    Monthly     Annual   
Download Data (XLS File)
U.S. Imports of Isobutane-Isobutylene (Thousand Barrels per Day)
U.S. Imports of Isobutane-Isobutylene (Thousand Barrels per Day)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1984 29 23 24 19 21 21 14 17 21 26 37 39
  1985 39 29 30 20 22 28 19 14 19 33 34 52
  1986 40 45 48 27 36 55 65 55 37 36 51 44
  1987 40 45 29 33 28 28 42 46 57 39 44 48
  1988 35 37 25 41 30 23 38 42 30 39 48 34
  1989 13 15 10 6 8 12 18 23 18 25 6 10
  1990 14 22 8 9 13 27 21 44 15 3 6 10
  1991 9 7 11 13 17 21 20 21 5 14 10 2
  1992 4 6 4 13 7 6 6 15 10 12 4 4
  1993 4 10 9 14 13 8 11 13 11 21 10 20
  1994 3 9 9 11 7 12 20 15 14 16 12 6
  1995 22 8 4 12 11 17 20 20 12 2 7 7
  1996 14 4 15 10 14 21 21 15 17 11 2 9
  1997 7 12 18 20 24 22 18 20 18 11 7 11
  1998 17 24 15 16 27 20 19 13 18 9 3 6
  1999 8 7 5 11 15 17 21 3 10 14 15 14
  2000 16 15 10 16 19 30 23 10 7 6 8 2
  2001 3 8 15 33 34 35 4 17 9 2 2 4
  2002 2 12 18 13 13 9 6 5 1 0 1 1
  2003 1 11 4 16 11 21 22 28 22 7 10 4
  2004 7 23 14 15 15 7 21 27 21 3 9 8
  2005 16 28 22 34 30 31 33 41 31 36 21 13
  2006 22 18 9 43 56 44 45 44 60 32 17 21
  2007 23 11 23 22 24 37 25 22 11 22 11 13
  2008 15 25 11 27 17 30 22 36 28 12 15 9
  2009 14 10 15 11 28 14 14 13 10 9 15 8
  2010 12 5 4 6 9 13 14 12 13 13 9 5
  2011 10 11 16 7 13 11 10 14 6 10 6 13
  2012 9 8 11 10 11 10 15 21 19 15 6 7
  2013 10 8 13

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 5/30/2013
Next Release Date: Last Week of June 2013

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