View History:    Monthly     Annual   
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U.S. Stock Change of Isobutylene (Thousand Barrels)
U.S. Stock Change of Isobutylene (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  2010 -90 68 -41 43 -39 9 -40 42 8 -14 3 43
  2011 27 -30 -15 -34 20 -26 -9 15 4 -24 26 8
  2012 0 80 -1 -58 29 -42 -31 48 -69 0 0 0
  2013 0 0 0 0 0 0 0 0 0 0 0 0
  2014 43 16 -59 0 0 0 0 0 0 0 0 0
  2015 0 13 -13 0 0 0 0 0 0 0 0 0
  2016 17 18 0 14 9 12 -5 -35 39 -33 -36 24
  2017 17 -19 20 -7 -13 17 31 -41 3 5 14 -21
  2018 -13 -17 1 26 12 31


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 8/31/2018
Next Release Date: 9/28/2018

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