Quarter Billions of US Dollars 1996-10-01 1.20000 1999-04-01 1.00000 2000-04-01 1.40000 2003-07-01 0.70000 2004-01-01 0.66500 2005-07-01 2.25000 2006-04-01 1.15000 2006-07-01 1.55000 2006-10-01 1.49000 2007-07-01 0.30000 2009-04-01 3.00000 2009-07-01 2.23000 2009-10-01 7.00000 2010-04-01 0.54980 2010-07-01 4.25000 2011-10-01 5.00000 2012-07-01 5.06885 2012-10-01 1.45000 2013-01-01 1.00000 2013-04-01 0.09220 2013-07-01 0.43120 2013-10-01 0.65891 2014-01-01 0.01635 2014-04-01 0.03248 2014-07-01 0.16175 2014-10-01 0.24938 2015-01-01 0.37353 2015-04-01 0.06111