Quarter Billions of US Dollars 1995-04-01 0.05000 1995-07-01 0.05000 1995-10-01 0.11537 1996-01-01 0.11537 1996-04-01 0.06537 1996-07-01 0.06537 1996-10-01 0.05000 1997-01-01 0.05000 1997-04-01 0.05000 1997-07-01 0.05000 1998-10-01 0.09860 1999-01-01 0.09860 1999-04-01 0.20860 1999-07-01 0.20860 1999-10-01 0.11000 2000-01-01 0.11000 2000-04-01 0.06500 2000-07-01 0.29601 2000-10-01 0.28919 2001-01-01 0.28106 2001-04-01 0.22174 2003-07-01 0.17560 2003-10-01 0.17560 2004-01-01 0.17560 2004-04-01 0.17560 2004-07-01 0.16500 2004-10-01 0.16500 2005-01-01 0.16500 2005-04-01 0.41500 2005-07-01 0.25000 2005-10-01 0.25000 2006-01-01 0.25000 2009-01-01 0.20000 2009-04-01 0.20000 2009-07-01 0.20000 2009-10-01 0.20000 2010-04-01 0.09542 2010-07-01 0.12584 2010-10-01 0.14231 2011-01-01 0.79383 2011-04-01 1.13113 2011-07-01 1.03363 2011-10-01 0.90289 2012-01-01 0.24631 2012-04-01 0.19241 2012-07-01 0.19043 2012-10-01 0.16834 2013-01-01 1.16823 2013-04-01 1.20801 2013-07-01 1.71445 2013-10-01 1.66690 2014-01-01 0.67254 2014-04-01 0.82214 2014-07-01 0.31274 2014-10-01 0.31805 2015-01-01 0.31125 2015-04-01 0.29519