Quarter Billions of US Dollars 1993-07-01 4.23324 1993-10-01 3.91830 1994-01-01 4.02864 1994-04-01 3.46095 1994-07-01 3.07678 1994-10-01 2.45844 1995-01-01 2.62227 1995-04-01 2.17516 1995-07-01 2.07718 1995-10-01 2.04635 1996-01-01 2.01562 1996-04-01 1.98690 1996-07-01 1.97906 1996-10-01 1.74726 1997-01-01 1.69019 1997-04-01 1.64654 1997-07-01 1.53234 1997-10-01 1.50099 1998-01-01 1.03822 1998-04-01 1.03686 1998-07-01 0.97360 1998-10-01 0.97127 1999-01-01 0.96748 1999-04-01 1.96481 1999-07-01 1.97003 1999-10-01 1.96784 2000-01-01 1.96628 2000-04-01 1.96024 2000-07-01 2.25717 2000-10-01 2.86361 2001-01-01 2.82800 2001-04-01 2.80356 2001-07-01 3.85069 2001-10-01 3.82858 2002-01-01 4.57081 2002-04-01 4.66042 2002-07-01 4.65489 2002-10-01 4.69915 2003-01-01 4.72334 2003-04-01 4.76305 2003-07-01 4.77939 2003-10-01 4.20105 2004-01-01 4.17829 2004-04-01 4.17215 2004-07-01 4.18772 2004-10-01 4.27616 2005-01-01 4.22990 2005-04-01 4.16673 2005-07-01 4.16149 2005-10-01 3.37553 2006-01-01 3.37647 2006-04-01 3.38373 2006-07-01 3.38634 2006-10-01 3.39310 2007-01-01 3.39275 2007-04-01 3.39616 2007-07-01 3.39808 2007-10-01 3.39605 2008-01-01 3.39496 2008-04-01 3.39519 2008-07-01 3.38121 2008-10-01 3.35627 2009-01-01 3.35454 2009-04-01 1.87072 2009-07-01 1.75000 2009-10-01 1.75000 2010-01-01 1.75000 2010-04-01 3.00000 2010-07-01 3.00000 2010-10-01 3.00000 2011-01-01 3.00000 2011-04-01 3.80000 2011-07-01 4.05000 2011-10-01 4.05000 2012-01-01 4.05000 2012-04-01 4.05000 2012-07-01 4.05000 2012-10-01 4.05000 2013-01-01 4.05000 2013-04-01 4.05000 2013-07-01 4.05000 2013-10-01 4.52420 2014-01-01 4.52600 2014-04-01 4.53038 2014-07-01 4.52140 2014-10-01 4.50410 2015-01-01 4.48589 2015-04-01 4.74553