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Note: These data are available in spreadsheet format by clicking the ''Download Series History'' link on the previous page (with drop-down menu bar at top).
 View History:    Monthly     Annual   
U.S. Normal Butane-Butylene Stocks at Bulk Terminal (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1993 5,719 5,998 7,786 10,789 14,007 17,496 20,408 24,230 24,729 24,654 21,260 14,527
  1994 9,275 5,410 6,845 9,077 11,734 15,165 16,793 18,774 17,648 15,428 11,691 8,477
  1995 6,132 5,419 7,523 9,983 13,217 16,184 19,398 23,051 21,885 20,174 15,500 10,308
  1996 6,082 4,346 5,405 7,523 8,989 10,693 13,041 16,408 16,640 14,922 11,438 8,820
  1997 5,168 3,187 4,393 7,076 10,341 13,106 15,430 18,145 18,618 16,230 13,177 7,714
  1998 4,976 4,443 5,822 8,820 12,711 14,916 18,178 21,434 22,833 19,717 15,784 10,144
  1999 6,803 5,636 6,041 8,555 12,437 15,369 18,784 21,106 18,792 15,529 14,763 8,610
  2000 5,250 3,101 3,942 6,279 9,297 11,714 13,827 16,978 18,865 14,160 13,317 8,737
  2001 4,753 4,443 5,885 7,320 10,023 13,574 15,468 18,690 20,322 17,608 13,978 10,421
  2002 5,644 3,663 4,602 6,935 9,608 12,040 15,170 18,465 19,051 17,980 13,544 8,789
  2003 5,504 3,537 3,734 4,709 7,063 9,967 12,178 13,733 14,238 12,751 10,751 6,916
  2004 4,890 3,676 4,584 6,578 9,698 12,194 15,474 19,334 18,900 17,544 12,836 9,427
  2005 6,033 5,150 6,705 9,396 14,846 18,699 23,372 25,815 22,453 18,973 13,847 9,124
  2006 7,036 6,188 6,594 9,287 13,204 16,821 19,945 23,027 22,962 21,305 16,760 12,488
  2007 8,486 5,812 6,665 8,664 13,283 17,040 20,611 25,431 26,277 22,583 17,562 12,116
  2008 7,720 6,024 7,426 10,822


Updated on 6/26/2008
Source: U.S. Energy Information Administration
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