View History:    Monthly     Annual   
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U.S. Normal Butane-Butylene Stocks at Natural Gas Processing Plants (Thousand Barrels)
U.S. 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 920 869 1,137 1,273 2,636 2,201 1,743 2,051 2,260 1,639 1,132 1,216
  1994 1,003 1,031 1,258 1,135 1,367 1,870 2,143 2,682 2,814 2,476 2,676 1,967
  1995 1,499 1,027 1,342 1,524 1,452 1,686 1,960 2,184 2,191 1,430 1,552 1,155
  1996 1,102 1,107 1,275 1,367 1,483 1,669 1,521 1,474 1,043 1,453 1,582 1,223
  1997 600 776 647 862 619 899 1,255 1,455 1,014 1,065 1,149 799
  1998 578 737 526 792 806 1,277 1,390 1,441 1,584 1,417 957 1,002
  1999 1,150 1,395 1,277 1,083 1,148 1,202 1,226 1,298 1,229 818 782 673
  2000 861 780 929 869 672 713 1,055 1,006 1,261 972 774 904
  2001 994 835 1,024 1,188 1,216 1,562 1,729 1,568 1,945 1,723 1,355 1,226
  2002 1,320 1,049 1,150 1,601 1,856 1,880 2,285 2,756 2,496 1,770 1,390 1,330
  2003 1,158 1,301 842 1,005 685 1,067 1,123 1,383 961 1,092 852 597
  2004 821 578 905 998 1,010 1,291 1,318 1,564 2,089 1,587 1,739 730
  2005 777 722 713 1,831 1,555 1,688 2,075 2,236 1,547 1,086 853 988
  2006 949 797 792 1,003 963 1,214 1,171 1,027 1,135 1,394 1,532 1,269
  2007 967 1,022 951 942 1,399 1,489 1,386 1,029 1,202 1,111 698 646
  2008 652 751 1,034 1,559 1,872 2,174 1,596 1,755 1,496 1,072 1,019 1,373
  2009 770 816 1,061 1,362 1,545 1,744 2,158 2,484 2,093 2,141 1,482 907
  2010 1,058 822 1,162 1,715 2,730 2,789 3,217 3,142 2,888 2,465 1,979 1,292
  2011 965 542 665 685 854 1,337 1,511 2,039 2,044 1,718 1,133 688
  2012 729 554 810 951 1,299 1,605

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 8/30/2012
Next Release Date: Last Week of September 2012

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