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Refining District Minnesota-Wisconsin-North Dakota-South Dakota Refinery and Blender Net Production of Isobutane-Isobutylene (Thousand Barrels per Day)
Refining District Minnesota-Wisconsin-North Dakota-South Dakota 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
  1993 0 1 0 1 0 0 0 0 1 0 0
  1994 0 0 -1 1 0 0 0 0 0 0 0 2
  1995 0 1 0 -1 1 0 0 1 0 0 -1 0
  1996 0 1 0 0 0 0 0 -1 0 0 1 0
  1997 -1 -1 0 1 0 -1 1 0 0 0 -1 -1
  1998 -1 -2 -1 -1 -1 0 0 -1 -2 0 -1 -1
  1999 0 0 -1 0 0 1 0 0 -1 -1 -1
  2000 -1 0 0 0 -1 -1 0 0 0 0 0 0
  2001 0 -1 0 -1 -2 -1 -1 -1 -1 -1 0 0
  2002 0 0 -1 -1 -1 -1 -1 0 -1 0 -1 0
  2003 0 0 1 -1 -1 -1 1 -1 0 -1 -1 0
  2004 1 0 -1 -1 -1 -1 -1 -1 0 -1 1 0
  2005 0 0 0 0 -1 -1 -1 -1 -1 -1 0 0
  2006 0 0 0 -1 0 0 0 0 0 0 -1 -1
  2007 -1 0 1 2 0 0 0 -1 0 0 0 0
  2008 0 0 0 0 0 0 0 0 0 0 0 0
  2009 0 1 0 1 0 0 0 0 0 0 0 0
  2010 0 0 0 -1 0 -1 1 0 -1 0 0 0
  2011 -1 0 0 -2 0 0 0 0 -1 1 0 0
  2012 0 0 0 0 0 0 0 0 0 0 0 0
  2013 0 0 0 0 -1 -1 0 -1 0 0 0 0
  2014 0 0 0 0 12 2 -16 -1 -1 -1 0 0
  2015 0 0 0 -1 0 0 0 -1 -2 -3 -3 -2
  2016 -2 -1 -2 -1 -1 -2 -2 -1 -3 -3 -2 -3
  2017 -3 -1 -2 -1 -1 -2 -1 -2 -3 -1 -3 -3
  2018 -1 -2 -1 -1 -1 0 0 0 -1 -1 -1 -1
  2019 -1 0 -2 0 -1 -1 0 -1 1 -1 -2 -2
  2020 -1 -1 -1 0 0 -2 -1 -1 -1 -1 -1 0
  2021 -1 -1 -2 -2 -2 -2 -2 -2 -1 -1 -2 -2
  2022 -- -- -- -- -- -- -- -- -- -- -- --
  2023 -- -- -- -- -- -- -- -- -- -- -- --
  2024 --


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 3/29/2024
Next Release Date: 4/30/2024

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