Quarter	Billions of US Dollars
2002-10-01	0.10000
2003-04-01	0.10000
2004-01-01	0.20000
2004-04-01	0.10000
2004-10-01	0.20000
2005-01-01	0.20000
2005-04-01	0.40000
2005-10-01	1.35000
2006-01-01	0.78079
2006-04-01	0.85000
2006-07-01	1.53701
2006-10-01	0.99800
2007-01-01	4.58128
2007-04-01	0.63560
2007-07-01	0.41494
2007-10-01	0.16673
2008-01-01	-0.24287
2008-04-01	0.10554
2008-10-01	-0.35000
2009-01-01	-0.51614
2009-07-01	-0.26707
2009-10-01	-0.52666
2010-01-01	0.98936
2010-04-01	0.06075
2010-10-01	4.00000
2011-01-01	0.16616
2011-04-01	-0.14473
2011-07-01	-1.71532
2011-10-01	-0.01660
2012-01-01	-1.53556
2012-04-01	0.27700
2012-07-01	0.07594
2012-10-01	0.87500
2013-01-01	0.98520
2013-04-01	1.76980
2013-07-01	-0.20000
2013-10-01	0.00870
2014-04-01	-0.27615
2014-07-01	-0.47317
2014-10-01	1.04706
2015-01-01	-0.41380
2015-04-01	-0.50210