View History:    Monthly     Annual   
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Refining District Minnesota-Wisconsin-North Dakota-South Dakota Field Production of Isobutane (Thousand Barrels per Day)
Refining District Minnesota-Wisconsin-North Dakota-South Dakota Field Production of Isobutane (Thousand Barrels per Day)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1993 0
  2008 0 0 0 0 0 0 0 0 0 0 0 0
  2009 0 0 0 0 0 1 0 1 1 1 1 1
  2010 1 1 1 1 1 1 1 1 1 1 1 1
  2011 1 1 1 1 1 1 1 1 1 1 1 1
  2012 1 1 2 1 2 2 2 2 2 2 2 2
  2013 2 3 2 4 3 3 3 3 3 3 3 3
  2014 4 4 4 4 5 4 5 5 6 6 6 6
  2015 6 6 14 7 8 8 8 7 8 8 9 8
  2016 8 9 9 9 8 9 9 8 8 9 9 7
  2017 7 8 8 9 10 9 10 10 9 11 9 11
  2018 11 11 12 11 12 14 12 13 13 12 12 12
  2019 13 12 13 13 15 13 14 17 17 17 18 17
  2020 17 19 20 18 13 13 15 18 20 19 19 19
  2021 19 16 19 19 19 19 18 20 19 19 20 19
  2022 18 18 19 16 18


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 7/29/2022
Next Release Date: 8/31/2022

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