Quarter Billions of US Dollars 2006-04-01 0.10397 2006-07-01 0.24778 2006-10-01 0.00501 2007-01-01 0.15116 2007-04-01 0.00536 2007-07-01 0.14052 2007-10-01 0.00076 2008-01-01 0.03613 2008-04-01 -0.00281 2008-07-01 -0.00211 2008-10-01 -0.00022 2009-01-01 -0.00019 2009-04-01 0.01484 2009-07-01 -0.01424 2009-10-01 0.00069 2010-01-01 -0.12088 2010-04-01 -0.00052 2010-07-01 -0.02477 2010-10-01 0.09930 2011-01-01 -0.03143 2011-04-01 -0.00022 2011-07-01 -0.15520 2011-10-01 0.04962 2012-01-01 0.00031 2012-04-01 0.00525 2012-07-01 -0.05651 2012-10-01 0.04919 2013-01-01 -0.04912 2013-10-01 -0.05773 2014-04-01 -0.10949 2014-07-01 0.11784 2015-04-01 -0.00511