View History:    Monthly     Annual   
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Refining District North Louisiana-Arkansas Field Production of Isobutane (Thousand Barrels)
Refining District North Louisiana-Arkansas Field Production of Isobutane (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1993 51 44 46 51 52 48 48 48 48 50 44 39
  1994 49 47 56 57 56 52 59 65 57 56 60 59
  1995 58 55 62 62 63 68 68 62 66 66 65 64
  1996 68 66 66 53 66 59 64 67 62 65 67 69
  1997 64 56 69 63 56 62 63 68 68 71 59 62
  1998 54 48 51 58 56 56 56 52 48 43 48 48
  1999 47 44 39 46 55 52 51 53 48 50 47 48
  2000 43 45 41 39 34 37 36 44 40 38 38 35
  2001 36 33 36 37 36 34 33 35 30 34 38 35
  2002 33 30 32 32 34 33 38 35 24 12 10 31
  2003 30 28 32 33 28 31 36 36 33 34 34 34
  2004 34 29 34 31 34 33 34 32 32 32 34 32
  2005 33 29 38 34 36 36 38 37 31 39 37 40
  2006 36 33 39 37 40 37 38 39 40 39 38 40
  2007 42 38 45 39 45 40 41 46 44 48 46 47
  2008 45 44 51 50 52 52 53 55 48 47 46 46
  2009 48 49 49 54 47 48 49 48 45 48 47 44
  2010 42 38 40 38 41 43 41 43 39 42 44 42
  2011 47 43 44 42 43 44 45 46 43 42 41 39
  2012 40 39 41 40 45 41 44 46 43 45 37 45
  2013 46 42 46 46 52 49 57 59 56 61 61 63
  2014 63 57 67 66 67 68 70 73 72 77 73 69
  2015 66 59 64 69 78 78 74 109 105 97 92 90
  2016 87 96 104 105 101 91 96 121 111 108 92 88
  2017 80 78 100 91 89 78 81 78 67 78 78 82
  2018 78 69 80 74 77 78 78 76 63 66 66 66
  2019 65 66 58 66 64 62 68 67 65 58 57 61
  2020 69 61 59 56 57 54 47 51 52 52 54 54
  2021 51 43 52 47 50 49 51 50 49 49 45 47
  2022 44 41 48 45 52 49 45 44 49 48 44 44
  2023 45 40 36 36 39 38 38 39 38 40 38 40
  2024 32 31 32 30 40 36 41 38 37 41 40 36

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 2/28/2025
Next Release Date: 3/31/2025

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