Quarter	Billions of US Dollars
2000-04-01	0.10000
2000-07-01	0.10000
2000-10-01	0.10000
2001-01-01	0.10000
2002-10-01	0.05000
2003-04-01	0.10000
2003-07-01	0.10000
2003-10-01	0.10000
2004-01-01	0.10000
2004-10-01	0.37500
2006-01-01	0.15130
2006-04-01	0.55891
2006-07-01	0.55825
2006-10-01	0.86463
2007-01-01	0.94600
2007-04-01	1.08313
2007-07-01	1.08280
2007-10-01	1.14187
2008-01-01	1.56752
2008-04-01	1.11949
2008-07-01	1.35560
2008-10-01	2.03258
2009-01-01	1.46664
2009-04-01	2.46675
2009-07-01	3.24726
2009-10-01	2.42500
2010-01-01	3.07401
2010-04-01	2.95705
2010-07-01	2.80963
2010-10-01	3.20202
2011-01-01	4.10437
2011-04-01	3.15921
2011-07-01	2.19265
2011-10-01	1.93911
2012-01-01	0.42500
2012-04-01	2.67500
2012-07-01	5.65250
2012-10-01	6.11154
2013-01-01	6.99970
2013-04-01	6.45634
2013-07-01	3.49315
2013-10-01	3.70240
2014-01-01	5.55240
2014-04-01	3.85000
2014-07-01	4.60000
2014-10-01	6.33780
2015-01-01	3.66865
2015-04-01	3.49255