View History:    Monthly     Annual   
Download Data (XLS File)
U.S. Product Supplied of Isobutane (Thousand Barrels per Day)
U.S. Product Supplied of Isobutane (Thousand Barrels per Day)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  2010 21 26 40 26 5 26 27 22 4 19 51 32
  2011 34 49 32 28 26 23 29 42 28 27 21 46
  2012 36 50 38 41 38 20 28 53 30 35 44 70
  2013 73 58 48 51 52 72 66 66 23 82 69 61
  2014 54 52 53 73 68 46 57 61 71 73 74 72
  2015 85 85 82 95 94 96 96 106 88 115 104 120
  2016 143 113 128 146 161 148 142 126 135 89 97 110
  2017 113 110 137 150 147 169 168 122 101 133 166 159
  2018 156 142 134 122 174 170 165 181 161 170 165 176
  2019 164 188 173 163 175

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 7/31/2019
Next Release Date: 8/30/2019

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