Quarter	Billions of US Dollars
2003-10-01	0.19075
2004-01-01	0.27631
2004-04-01	0.27631
2004-07-01	0.56860
2004-10-01	0.59018
2005-01-01	0.60985
2005-04-01	0.63345
2005-07-01	0.65068
2005-10-01	0.64528
2006-01-01	0.33923
2006-04-01	0.34422
2006-07-01	0.74434
2006-10-01	0.68202
2007-01-01	0.69194
2007-04-01	1.70335
2007-07-01	1.76234
2007-10-01	1.89349
2008-01-01	2.00098
2008-04-01	2.30062
2008-07-01	2.08365
2008-10-01	1.83464
2009-01-01	1.85753
2009-04-01	1.90896
2009-07-01	2.08268
2009-10-01	2.27613
2010-01-01	2.29660
2010-04-01	2.11532
2010-07-01	2.20110
2010-10-01	2.22323
2011-01-01	2.32759
2011-04-01	2.42791
2011-07-01	2.20610
2011-10-01	3.56415
2012-01-01	3.62857
2012-04-01	3.25988
2012-07-01	3.18021
2012-10-01	3.43939
2013-01-01	3.52181
2013-04-01	3.24722
2013-07-01	3.02753
2013-10-01	3.19556
2014-01-01	3.02966
2014-04-01	2.99708
2014-07-01	2.78018
2014-10-01	2.83805
2015-01-01	2.72737
2015-04-01	2.72932