Quarter	Billions of US Dollars
1996-10-01	0.20000
1997-10-01	0.35000
1998-04-01	0.10000
1999-10-01	0.10000
2000-04-01	0.35000
2001-07-01	0.15000
2002-01-01	0.10903
2002-04-01	0.25000
2002-10-01	-0.20000
2003-04-01	0.82500
2004-01-01	0.50000
2004-04-01	0.50000
2004-10-01	1.97500
2005-01-01	0.70000
2005-04-01	0.40000
2005-07-01	0.30000
2005-10-01	1.95000
2006-01-01	1.75579
2006-04-01	2.70000
2006-07-01	2.96024
2006-10-01	2.64230
2007-01-01	5.18388
2007-04-01	3.07493
2007-07-01	0.44579
2007-10-01	0.97064
2008-01-01	-0.16133
2008-04-01	0.94207
2008-07-01	3.97200
2008-10-01	-0.35000
2009-01-01	-0.86219
2009-04-01	-0.10000
2009-07-01	1.43533
2009-10-01	0.02094
2010-01-01	0.86436
2010-04-01	0.57898
2010-07-01	-1.05000
2010-10-01	4.95000
2011-01-01	-0.13384
2011-04-01	-0.64473
2011-07-01	-1.88591
2011-10-01	-0.62894
2012-01-01	-1.95556
2012-04-01	0.27700
2012-07-01	1.61594
2012-10-01	1.94477
2013-01-01	0.98520
2013-04-01	1.56980
2013-07-01	-2.47750
2013-10-01	-0.29130
2014-01-01	-0.50000
2014-04-01	0.08975
2014-07-01	-0.77042
2014-10-01	5.37575
2015-01-01	-3.36800
2015-04-01	-0.85940