Quarter	Billions of US Dollars
1996-04-01	0.05000
1996-10-01	0.05000
1999-04-01	-0.05000
1999-10-01	-0.05000
2000-04-01	0.17855
2001-10-01	0.11192
2003-10-01	0.23773
2004-10-01	0.13941
2005-04-01	0.62947
2005-10-01	0.59420
2006-01-01	0.60097
2006-10-01	-0.25792
2007-01-01	-1.96553
2007-10-01	-0.32610
2008-04-01	-0.31237
2009-10-01	-0.01000
2010-10-01	1.08671
2011-04-01	0.36130
2011-07-01	0.60106
2012-07-01	2.09412
2012-10-01	-0.10739
2014-01-01	0.68484