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Download Data (XLS File)
Midwest (PADD 2) Isobutane-Isobutylene Field Production (Thousand Barrels per Day)
Midwest (PADD 2) Isobutane-Isobutylene Field Production (Thousand Barrels per Day)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1981 21 19 19 21 21 17 16 18 17 19 17 19
  1982 19 16 17 19 17 16 16 17 16 16 20 19
  1983 20 17 17 15 15 17 14 16 16 17 19 20
  1984 17 17 18 20 20 21 20 20 21 21 23 20
  1985 21 22 20 20 22 18 18 21 22 24 24 25
  1986 22 21 19 21 21 21 20 18 19 20 21 19
  1987 19 20 20 19 20 21 21 21 21 22 18 17
  1988 19 23 22 22 21 20 20 21 20 19 21 18
  1989 22 22 21 20 20 21 22 21 20 20 22 15
  1990 20 22 22 21 22 20 22 21 19 17 21 21
  1991 21 23 25 24 25 23 23 22 22 24 23 22
  1992 24 23 23 24 23 23 23 24 23 24 25 24
  1993 20 23 24 25 24 24 24 23 24 24 17 18
  1994 21 24 23 18 17 19 23 23 22 16 17 21
  1995 19 20 21 19 21 19 19 17 19 17 19 20
  1996 19 22 23 23 32 27 28 28 17 23 19 17
  1997 16 16 25 29 28 29 21 16 16 17 21 21
  1998 15 20 15 15 18 21 17 21 19 17 15 15
  1999 13 17 17 21 19 18 19 19 19 14 18 14
  2000 13 16 21 16 22 23 19 18 16 16 16 14
  2001 13 17 20 25 25 25 25 25 24 23 23 22
  2002 19 25 22 18 17 17 18 18 18 18 18 24
  2003 25 24 20 24 23 24 20 21 19 16 15 15
  2004 14 17 22 19 15 15 19 22 18 15 19 17
  2005 15 15 14 18 22 17 21 23 21 21 21 19
  2006 15 18 22 23 22 22 18 18 18 14 15 19
  2007 16 20 22 21 24 25 20 15 23 15 14 20
  2008 25 18 23 21 21 22

Release Date: 8/26/2008
Next Release Date: Last Week of September 2008

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