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 2008-01-01 0.13750 2008-04-01 0.16335 2009-04-01 4.50000 2009-07-01 2.23000 2009-10-01 8.60000 2010-04-01 0.54980 2010-07-01 4.90000 2010-10-01 4.19056 2011-04-01 0.12500 2011-07-01 0.21500 2011-10-01 5.00000 2012-01-01 1.50000 2012-04-01 0.50000 2012-07-01 5.06885 2012-10-01 4.22374 2013-01-01 2.34222 2013-04-01 1.57868 2013-07-01 0.15000 2013-10-01 2.60000 2014-01-01 0.09500 2014-04-01 0.90430 2014-07-01 1.60541 2014-10-01 0.16050 2015-01-01 1.60752 2015-04-01 0.15860