Quarter	Billions of US Dollars
2002-07-01	0.2300
2002-10-01	0.2300
2003-01-01	0.2300
2003-04-01	0.2300
2003-07-01	0.2300
2003-10-01	0.2300
2004-01-01	1.0300
2004-04-01	1.0300
2004-07-01	1.0300
2004-10-01	1.0300
2005-01-01	2.1050
2005-04-01	3.0050
2005-07-01	3.5118
2005-10-01	5.8651
2006-01-01	6.7066
2006-04-01	9.2327
2006-07-01	10.6927
2006-10-01	15.2142
2007-01-01	19.6635
2007-04-01	20.2477
2007-07-01	19.9472
2007-10-01	19.5948
2008-01-01	23.1613
2008-04-01	24.1061
2008-07-01	23.8485
2008-10-01	19.7330
2009-01-01	17.7780
2009-04-01	17.9326
2009-07-01	19.4432
2009-10-01	18.7030
2010-01-01	17.2607
2010-04-01	15.9075
2010-07-01	15.8914
2010-10-01	14.3049
2011-01-01	15.8420
2011-04-01	15.9924
2011-07-01	16.0062
2011-10-01	16.3253
2012-01-01	15.6561
2012-04-01	16.2920
2012-07-01	17.5554
2012-10-01	20.8273
2013-01-01	22.0710
2013-04-01	26.9045
2013-07-01	27.0163
2013-10-01	28.4375
2014-01-01	29.2696
2014-04-01	32.3334
2014-07-01	33.6822
2014-10-01	35.7554
2015-01-01	37.7278
2015-04-01	42.1694