Quarter	Billions of US Dollars
1994-01-01	0.10000
1994-04-01	0.50000
1994-07-01	0.10000
1994-10-01	0.02500
1995-07-01	0.03460
1996-01-01	1.25624
1996-04-01	0.84600
1996-07-01	0.54055
1996-10-01	1.66385
1997-01-01	0.46434
1997-04-01	0.63396
1997-07-01	2.55907
1997-10-01	2.35161
1998-01-01	-0.22046
1998-04-01	-0.05986
1998-07-01	-0.03700
1998-10-01	0.12821
1999-01-01	-0.15000
1999-04-01	-0.29750
1999-07-01	-0.69062
1999-10-01	-1.03900
2000-01-01	-0.64514
2000-04-01	-0.10000
2000-07-01	-0.37717
2000-10-01	-0.10000
2001-01-01	-0.25000
2001-04-01	-0.47600
2001-07-01	-0.12500
2001-10-01	-0.43000
2002-01-01	-0.10000
2002-04-01	0.33000
2002-07-01	-0.22590
2002-10-01	-0.10000
2003-01-01	-0.20000
2003-04-01	0.10000
2003-07-01	0.35000
2003-10-01	0.11500
2004-01-01	0.12500
2004-07-01	-0.33000
2005-01-01	0.20000
2005-04-01	0.25000
2005-07-01	0.78500
2005-10-01	0.06000
2006-04-01	-0.27750
2006-07-01	0.16800
2006-10-01	2.55000
2007-01-01	-0.25000
2007-04-01	0.96500
2007-07-01	-0.76700
2007-10-01	-0.51000
2008-07-01	-0.18225
2009-04-01	-0.20000
2009-07-01	0.95000
2009-10-01	1.58722
2010-01-01	0.66655
2010-04-01	0.00686
2010-07-01	-0.29932
2010-10-01	0.75005
2011-01-01	0.10500
2011-04-01	-0.30019
2011-07-01	-0.76800
2011-10-01	1.74950
2012-01-01	0.60498
2012-04-01	0.46000
2012-07-01	-0.95843
2012-10-01	-0.06167
2013-01-01	0.76500
2013-04-01	0.52335
2013-07-01	1.55000
2013-10-01	0.15000
2014-01-01	0.09345
2014-04-01	0.20000
2014-07-01	1.86000
2014-10-01	0.03356
2015-01-01	0.14620
2015-04-01	7.30604