Quarter	Billions of US Dollars
1993-10-01	0.34500
1994-04-01	0.46452
1995-01-01	-0.55000
1995-10-01	0.13400
1996-01-01	0.17486
1996-04-01	0.12697
1996-07-01	0.07116
1996-10-01	0.63457
1997-01-01	0.48779
1997-04-01	0.07992
1997-07-01	-0.02917
1997-10-01	-0.03011
1998-01-01	-0.25975
1998-04-01	0.51621
1998-07-01	-0.06185
1998-10-01	-0.16098
1999-01-01	-0.07104
1999-04-01	0.14689
1999-07-01	-1.30468
1999-10-01	-0.25000
2000-01-01	0.79127
2000-04-01	-0.78466
2000-10-01	-0.30900
2001-01-01	-0.06299
2001-04-01	-0.15000
2002-01-01	-0.07636
2002-04-01	-0.01574
2003-04-01	-0.15000
2004-01-01	-0.10000
2005-10-01	0.20100
2006-04-01	-0.06000
2007-04-01	1.02500
2007-10-01	0.15000
2008-04-01	-0.30000
2008-10-01	-0.15100
2009-07-01	0.47500
2009-10-01	1.41500
2010-01-01	0.47500
2010-04-01	0.25000
2010-10-01	-0.05000
2011-01-01	-0.43500
2011-04-01	1.50000
2012-04-01	2.17500
2012-07-01	0.18870
2012-10-01	0.98122
2013-01-01	0.85000
2013-04-01	1.36814
2014-04-01	2.72967
2014-07-01	-0.47500
2014-10-01	0.62215
2015-01-01	-0.03940
2015-04-01	1.44500