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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   
Rocky Mountain (PADD 4) Ethane-Ethylene Stock Change (Thousand Barrels per Day)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1981 0 0 0 0 0 0 0 0 0 0 0 0
  1982 0 0 0 0 0 0 0 0 0 0 0 0
  1983 0 0 0 0 0 0 0 0 0 0 0 0
  1984 0 0 0 0 0 0 0 0 0 0 0 0
  1985 0 0 0 0 0 0 0 0 0 0 0 0
  1986 0 0 0 0 0 0 1 -2 0 0 0 0
  1987 0 0 0 0 0 0 0 0 0 0 0 0
  1988 0 0 0 0 0 0 0 0 0 0 0 0
  1989 0 0 0 0 0 0 0 0 0 0 0 0
  1990 0 0 0 0 0 0 0 0 0 1 0 0
  1991 0 0 0 0 0 0 0 0 0 0 0 0
  1992 0 0 0 0 0 0 0 0 -1 0 0 0
  1993 0 0 0 0 0 0 0 0 0 0 0
  1994 0 0 0 0 0 0 0 0 1 0 0 0
  1995 0 0 0 0 0 0 0 0 0 0
  1996 0 0 0 0 0 0 0 0 0 0
  1997 0 0 0 0 0 0 0 0 0
  1998 0 0 0 0 0 0 0 0 0
  1999 0 0 0 0 0 0 0 0 0 0 0 8
  2000 0 0 0 0 0 0 0 0 0 0
  2001 0 0 0 0 0 0 0 0 0 0 1 0
  2002 0 0 0 1 0 0 0 0 0 0 0 0
  2003 1 3 1 -7 0 0 0 0 0 0 0
  2004 0 2 0 -4 0 -1 -1 0 0 0 0
  2005 0 0 0 0 0 0 0 0 0 0 0 0
  2006 0 0 0 0 0 0 0 0 2 0 1 0
  2007 0 0 0 0 0 0 0 0 0 0 0 0
  2008 0 0 0 0

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