View History:    Monthly     Annual   
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U.S. Ending Stocks of Isobutane (Thousand Barrels)
U.S. Ending Stocks of Isobutane (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  2010 6,985 7,202 6,979 6,775 7,246 7,513 7,767 7,680 8,506 9,005 7,852 6,974
  2011 6,675 6,615 7,083 7,409 7,853 7,618 7,013 6,307 6,111 6,159 6,597 7,085
  2012 7,931 7,811 8,213 8,687 8,426 7,934 8,252 7,852 8,320 8,797 9,139 8,568
  2013 8,563 8,859 9,005 10,103 10,632 10,051 9,944 9,975 10,538 8,838 8,463 7,771
  2014 7,333 7,433 7,619 7,753 7,804 8,706 8,733 9,486 9,286 9,461 9,078 8,717
  2015 8,595 8,516 9,243 9,541 9,721 9,733 10,151 9,541 9,537 9,536 9,217 8,633
  2016 8,243 8,962 9,195 8,943 8,819 8,786 8,516 8,723 8,251 8,221 7,735 8,106
  2017 8,052 8,787 9,026 9,173 9,276 9,004 8,589 9,060 10,258 10,575 9,362 8,393
  2018 8,472


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 3/30/2018
Next Release Date: 4/30/2018

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