Quarter	Billions of US Dollars
2004-01-01	0.1000
2004-04-01	0.1000
2004-07-01	0.1000
2004-10-01	1.1000
2005-01-01	1.1000
2005-04-01	2.2000
2005-07-01	2.2000
2005-10-01	2.2000
2006-01-01	6.7500
2006-04-01	7.2100
2006-07-01	7.4100
2006-10-01	11.9550
2007-01-01	14.4329
2007-04-01	14.4703
2007-07-01	16.3171
2007-10-01	20.5971
2008-01-01	16.1215
2008-04-01	19.6149
2008-07-01	22.5555
2008-10-01	22.2032
2009-01-01	21.9611
2009-04-01	27.0807
2009-07-01	28.7811
2009-10-01	27.6513
2010-01-01	27.4286
2010-04-01	25.4896
2010-07-01	28.7657
2010-10-01	31.8460
2011-01-01	36.4705
2011-04-01	40.6383
2011-07-01	39.2766
2011-10-01	44.0047
2012-01-01	44.7629
2012-04-01	43.9843
2012-07-01	45.9417
2012-10-01	48.3610
2013-01-01	52.2478
2013-04-01	51.4155
2013-07-01	51.8690
2013-10-01	53.5768
2014-01-01	52.8875
2014-04-01	52.1902
2014-07-01	50.9625
2014-10-01	49.0106
2015-01-01	49.8155
2015-04-01	49.1164