Quarter	Billions of US Dollars
2004-01-01	0.10000
2004-10-01	1.00000
2005-04-01	1.10000
2006-01-01	4.55000
2006-04-01	0.46000
2006-07-01	0.20000
2006-10-01	4.54500
2007-01-01	2.45997
2007-07-01	1.78300
2007-10-01	4.25399
2008-01-01	-4.55000
2008-04-01	3.49509
2008-07-01	3.32020
2008-10-01	-0.13615
2009-01-01	-0.10000
2009-04-01	4.85000
2009-07-01	1.61490
2009-10-01	-1.08926
2010-04-01	-1.72229
2010-07-01	2.94373
2010-10-01	3.12475
2011-01-01	4.30480
2011-04-01	3.99143
2011-07-01	-0.86638
2011-10-01	5.00894
2012-01-01	0.52345
2012-04-01	-0.37964
2012-07-01	1.69661
2012-10-01	2.36109
2013-01-01	4.26373
2013-04-01	-1.00419
2013-07-01	0.09381
2013-10-01	1.51967
2014-01-01	-0.71100
2014-04-01	-0.68250
2014-07-01	-0.47401
2014-10-01	-1.56044
2015-01-01	1.70693
2015-04-01	-1.09389