View History:    Monthly     Annual   
Download Data (XLS File)
Rocky Mountain (PADD 4) Refinery and Blender Net Input of Isobutane-Isobutylene (Thousand Barrels per Day)
Rocky Mountain (PADD 4) Refinery and Blender Net Input of Isobutane-Isobutylene (Thousand Barrels per Day)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1981 2 3 3 3 2 2 2 2 3 2 3 2
  1982 2 3 2 2 1 1 2 2 2 2 2 2
  1983 2 1 2 2 2 2 2 1 2 1 2 1
  1984 1 2 2 1 3 3 2 3 2 2 2 2
  1985 2 2 2 2 3 2 2 2 3 2 2 2
  1986 2 1 2 3 4 3 3 8 3 3 2 3
  1987 3 2 2 2 1 3 2 3 3 2 3 3
  1988 3 4 3 3 3 4 4 4 3 3 3 3
  1989 3 2 2 2 2 4 4 3 4 3 4 2
  1990 2 3 3 3 3 4 4 3 4 3 3 4
  1991 3 4 4 3 4 4 5 4 4 4 3 3
  1992 2 3 3 4 3 3 4 4 3 4 3 3
  1993 4 3 4 2 2 4 4 4 3 5 4 4
  1994 4 5 4 4 4 4 4 3 4 4 3 4
  1995 3 3 3 3 4 4 4 4 5 3 4 4
  1996 4 3 5 4 3 4 5 5 5 4 3 3
  1997 3 4 3 5 4 5 4 5 5 4 4 4
  1998 2 3 4 2 3 3 3 3 3 3 3 4
  1999 4 4 4 5 5 6 5 6 5 5 4 4
  2000 4 4 4 4 5 5 6 6 6 7 5 4
  2001 4 4 3 4 4 4 5 5 5 5 6 4
  2002 4 4 4 5 6 5 5 5 5 4 3 3
  2003 3 2 4 4 4 6 5 5 6 5 4 3
  2004 2 3 4 4 5 5 6 5 6 5 3 4
  2005 3 3 4 5 5 5 6 5 6 4 3 2
  2006 4 4 7 6 7 7 7 7 6 6 7 6
  2007 5 6 6 6 7 7 8 7 8 7 6 5
  2008 6 6 7 6 7 8 6 6 6 5 5 3
  2009 5 6 5 5 7 7 8 6 9 7 6 4
  2010 6 6 6 7 7 7 8 7 8 6 6 5
  2011 5 5 7 6 6 7 7 7 6 7 7 6
  2012 6 7 7 10 7 8 8 6 7 6 6 6
  2013 6 6 6 3 4 6 6 7 5 5 6 5
  2014 6 5 7 7 8 7 9 7 8


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 11/26/2014
Next Release Date: Last Week of December 2014

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