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U.S. Isobutane-Isobutylene Stocks at Bulk Terminal (Thousand Barrels)
U.S. Isobutane-Isobutylene Stocks at Bulk Terminal (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1993 6,206 5,881 6,067 5,998 7,195 7,904 7,848 7,247 7,995 7,788 6,533 5,707
  1994 5,810 6,286 6,050 5,723 5,540 5,477 4,444 5,085 6,183 5,912 4,707 3,727
  1995 3,807 3,282 2,681 3,554 4,412 4,480 5,331 5,342 4,054 3,563 3,037 2,689
  1996 2,178 1,928 2,210 2,463 2,499 2,820 3,800 4,458 3,791 4,345 3,520 3,360
  1997 3,168 2,205 2,154 2,444 3,026 3,321 3,910 4,209 4,432 4,103 3,708 3,513
  1998 3,569 3,488 3,712 3,573 3,961 3,889 3,694 4,055 4,268 3,708 3,264 2,465
  1999 2,290 2,237 2,312 2,887 3,168 3,346 3,096 3,018 3,024 2,994 2,565 2,337
  2000 1,999 1,839 1,722 1,812 2,000 2,627 3,416 3,415 3,086 2,559 2,457 2,248
  2001 2,050 1,864 2,144 2,086 2,910 3,112 2,610 3,024 2,664 2,522 2,328 1,987
  2002 2,054 2,379 2,516 2,910 3,006 2,692 2,464 2,727 2,628 3,075 2,498 2,204
  2003 1,956 1,606 1,358 1,480 2,004 2,632 2,717 2,682 3,193 3,869 2,806 2,187
  2004 1,795 1,567 2,189 2,092 1,957 1,698 2,432 2,794 3,251 2,008 2,037 1,859
  2005 1,977 2,247 1,949 2,514 3,075 2,646 2,819 3,395 3,110 2,970 3,087 2,636
  2006 2,291 2,495 2,657 2,919 3,729 3,461 3,180 2,937 3,467 3,528 3,348 2,293
  2007 2,088 2,632 3,128 3,659 4,211 4,162 4,186 4,024 3,947 4,211 3,675 2,712
  2008 2,547 2,674 2,775 3,624 3,888 3,761 3,662

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 9/30/2008
Next Release Date: Last Week of October 2008

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