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Refining District Appalachian No. 1 Normal Butane-Butylene Stocks at Natural Gas Processing Plants (Thousand Barrels)
Refining District Appalachian No. 1 Normal Butane-Butylene Stocks at Natural Gas Processing Plants (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1993 4 7 6 2 5 2 3 5 5 8 6 2
  1994 4 4 5 3 9 7 21 17 7 6 5 3
  1995 2 3 3 7 17 30 37 23 11 9 9 5
  1996 2 3 12 17 21 22 24 4 8 10 9 7
  1997 4 1 2 1 3 13 14 15 10 11 9 4
  1998 5 2 5 4 8 9 2 7 9 14 10 15
  1999 4 4 4 2 9 3 12 17 4 12 2 3
  2000 7 13 3 15 11 6 32 37 8 2 2 2
  2001 1 6 2 2 3 4 17 26 9 4 2 6
  2002 3 3 4 5 18 27 36 41 21 9 7 3
  2003 2 2 2 7 4 1 4 12 7 2 1
  2004 4 6 4 4 5 2 5 3 5 7 5 7
  2005 2 4 2 3 7 3 3 2 1 5
  2006 12 13 5 10 8 7 6 7 7 14 8 9
  2007 10 5 7 7 7 9 9 11 8 3 7 3
  2008 4 2 10 3 3 5 7 8 2 4 6 4
  2009 4 4 3 4 5 5 2 1 2 4 3 4
  2010 5 2 2 2 5 6 9 8 6 8 8
  2011 7 5 5 11 14 14 24 18 7 17 10 10
  2012 13 7 25 10 12 14 5 8 8 4 3 2
  2013 18 28 30 26 32 44 32 31 36 38 28 55
  2014 41 19 42 38 40 102 39 77 68 64 42 36
  2015 43 39 41 44 61 47 46 42 30 37 37 37
  2016 41 45 32 29 54 30 39 30 28 35 46 42
  2017 60 38 40 45 40 37 37 40 48 45 41 40
  2018 38 31 64 36 35 37 37 51 49 39 36 33
  2019 88 41 56 52 47 38 68 47 51 58 48 60
  2020 47 43 57 48 53 62 56 50 51 51 47 59
  2021 45 58 37 44 52 47 34 37 47 43 33 46
  2022 -- -- -- -- -- -- -- -- -- -- -- --
  2023 -- -- -- -- -- -- -- -- -- -- -- --


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 2/29/2024
Next Release Date: 3/29/2024

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