Quarter Billions of US Dollars 1998-01-01 0.00976 1998-04-01 0.00976 1998-07-01 0.01952 1998-10-01 0.01952 1999-01-01 0.01953 1999-04-01 0.01953 1999-07-01 0.01953 1999-10-01 0.01953 2000-01-01 0.01952 2000-04-01 0.01952 2000-07-01 0.01952 2000-10-01 0.01952 2001-01-01 0.01952 2001-04-01 0.01952 2001-07-01 0.01953 2001-10-01 0.01953 2002-01-01 0.01953 2002-04-01 0.01953 2002-07-01 0.02929 2002-10-01 0.02929 2003-01-01 0.01953 2003-04-01 0.01953 2003-07-01 0.00976 2003-10-01 0.00976 2004-01-01 0.01952 2004-04-01 0.01952 2004-07-01 0.01952 2004-10-01 0.01952 2005-01-01 0.01952 2005-04-01 0.01952 2005-07-01 0.00976 2005-10-01 0.01953 2006-01-01 0.00977 2006-04-01 0.01953 2006-07-01 0.02928 2006-10-01 0.01951 2007-01-01 0.02928 2007-04-01 0.01952 2007-07-01 0.01953 2007-10-01 0.01953 2008-01-01 0.01952 2008-04-01 0.01952 2008-07-01 0.00976 2008-10-01 0.00976