Quarter	Billions of US Dollars
2004-10-01	1.0000
2005-01-01	1.0000
2005-04-01	2.1000
2005-07-01	2.1000
2005-10-01	2.1000
2006-01-01	6.6500
2006-04-01	6.6500
2006-07-01	6.6500
2006-10-01	10.3950
2007-01-01	10.3950
2007-04-01	10.3950
2007-07-01	10.3950
2007-10-01	11.6061
2008-01-01	7.0561
2008-04-01	9.0675
2008-07-01	9.2944
2008-10-01	9.1664
2009-01-01	9.1510
2009-04-01	9.1628
2009-07-01	9.1743
2009-10-01	5.1540
2010-01-01	5.1472
2010-04-01	3.9623
2010-07-01	4.4741
2010-10-01	4.2935
2011-01-01	3.5408
2011-04-01	5.3737
2011-07-01	4.9554
2011-10-01	4.7630
2012-01-01	4.9628
2012-04-01	4.3166
2012-07-01	5.5629
2012-10-01	8.5657
2013-01-01	8.9950
2013-04-01	8.1090
2013-07-01	8.2602
2013-10-01	9.1104
2014-01-01	9.3652
2014-04-01	9.2810
2014-07-01	8.9010
2014-10-01	9.6835
2015-01-01	10.2681
2015-04-01	10.4656