Quarter Billions of US Dollars 1994-07-01 0.51988 1994-10-01 0.51988 1995-01-01 0.51988 1995-04-01 0.51988 1995-07-01 0.51988 1995-10-01 0.51988 1996-01-01 0.51988 1996-04-01 0.51988 1996-07-01 0.51988 1996-10-01 0.51988 1997-01-01 0.51988 1997-04-01 0.51988 1997-07-01 0.71797 1997-10-01 0.71797 1998-01-01 0.71606 1998-04-01 0.71606 1998-07-01 0.72664 1998-10-01 0.72664 1999-01-01 0.72473 1999-04-01 0.72473 1999-07-01 0.72282 1999-10-01 0.72282 2000-01-01 0.71466 2000-04-01 0.71466 2000-07-01 0.70649 2000-10-01 0.70649 2001-01-01 0.69661 2001-04-01 0.69661 2001-07-01 1.18672 2001-10-01 1.18672 2002-01-01 1.17683 2002-04-01 1.17683 2002-07-01 1.16695 2002-10-01 1.19195 2003-01-01 1.78206 2003-04-01 1.78206 2003-07-01 1.77218 2003-10-01 1.77218 2004-01-01 1.76229 2004-04-01 1.76229 2004-07-01 1.55240 2004-10-01 1.55240 2005-01-01 1.54252 2005-04-01 0.51245 2005-07-01 0.46592 2005-10-01 0.60092 2006-01-01 0.89104 2006-04-01 0.89104 2006-07-01 0.86139 2006-10-01 1.11139 2007-01-01 1.53277 2007-04-01 1.52817 2007-07-01 1.51649 2007-10-01 1.51487 2008-01-01 1.50403 2008-04-01 1.50042 2008-07-01 1.48714 2008-10-01 1.48703 2009-01-01 1.42581 2009-04-01 1.42535 2009-07-01 1.41538 2009-10-01 1.41464 2010-01-01 1.41175 2010-04-01 2.16060 2010-07-01 2.15958 2010-10-01 2.28222 2011-01-01 2.32118 2011-04-01 2.32122 2011-07-01 2.82080 2011-10-01 3.06885 2012-01-01 2.92108 2012-04-01 2.71608 2012-07-01 2.71608 2012-10-01 3.26608 2013-01-01 3.55255 2013-04-01 4.55260 2013-07-01 4.55260 2013-10-01 4.80260 2014-01-01 4.80255 2014-04-01 6.05255 2014-07-01 6.30255 2014-10-01 6.30255 2015-01-01 8.80255 2015-04-01 9.80255