Quarter Billions of US Dollars 1998-04-01 0.02759 1998-07-01 0.02817 1999-01-01 0.02660 1999-04-01 -0.04921 1999-07-01 0.02518 1999-10-01 0.37106 2000-01-01 0.30273 2000-04-01 0.15990 2000-07-01 0.00046 2000-10-01 0.20607 2001-01-01 -0.01834 2001-04-01 -0.28449 2001-07-01 -0.02371 2001-10-01 -0.43253 2002-01-01 -0.25414 2002-04-01 -0.01954 2002-10-01 -0.10008 2003-01-01 0.06590 2003-04-01 0.03103 2003-07-01 0.16517 2003-10-01 0.01751 2004-01-01 0.00914 2004-04-01 0.06164 2004-07-01 0.01746 2004-10-01 0.08060 2005-01-01 0.16578 2005-04-01 0.06749 2005-07-01 -0.02931 2005-10-01 -0.09809 2006-01-01 0.17415 2006-04-01 -0.03035 2006-07-01 0.03335 2006-10-01 0.45333 2007-01-01 0.14312 2007-04-01 0.12900 2007-07-01 0.13381 2007-10-01 0.27780 2008-01-01 -0.45685 2008-04-01 0.76151 2008-07-01 -0.46925 2008-10-01 0.31960 2009-01-01 -0.23742 2009-04-01 -0.13313 2009-07-01 0.15622 2009-10-01 -0.00877 2010-01-01 0.36778 2010-04-01 0.13461 2010-07-01 0.24626 2010-10-01 0.07087 2011-01-01 -0.08715 2011-04-01 0.44001 2011-07-01 -0.48941 2011-10-01 -1.96114 2012-01-01 -0.09065 2012-04-01 -0.02184 2012-07-01 0.00290 2012-10-01 0.02848 2013-01-01 0.07263 2013-04-01 -0.07895 2013-07-01 0.00374 2013-10-01 -0.07192 2014-01-01 -0.02384 2014-04-01 -0.01627 2014-07-01 -0.01997 2014-10-01 -0.00510 2015-01-01 -0.00153 2015-04-01 0.00200