Quarter	Billions of US Dollars
1999-04-01	0.15492
1999-07-01	0.15997
1999-10-01	0.22604
2000-01-01	0.21494
2000-04-01	0.21501
2000-07-01	0.19721
2000-10-01	0.20936
2001-01-01	0.19872
2001-04-01	0.19080
2001-07-01	0.20545
2001-10-01	0.37455
2002-01-01	0.37077
2002-04-01	0.42394
2002-07-01	0.41905
2002-10-01	0.44570
2003-01-01	0.46304
2003-04-01	0.48565
2003-07-01	0.49521
2003-10-01	0.53677
2004-01-01	0.51952
2004-04-01	0.72930
2004-07-01	0.74454
2004-10-01	0.81726
2005-01-01	0.77784
2005-04-01	0.72552
2005-07-01	0.72252
2005-10-01	0.70782
2006-01-01	0.72624
2006-04-01	0.76278
2006-07-01	0.75960
2006-10-01	0.79020
2007-01-01	0.79908
2007-04-01	0.81030
2007-07-01	0.85074
2007-10-01	0.88326
2008-01-01	1.58120
2008-04-01	1.57640
2008-07-01	1.43030
2008-10-01	1.11336
2009-01-01	1.06464
2009-04-01	1.13072
2009-07-01	1.17144
2009-10-01	1.15248
2010-01-01	1.07832
2010-04-01	0.98168
2010-07-01	1.09184
2010-10-01	1.06896
2011-01-01	1.13656
2011-04-01	1.65624
2011-07-01	1.58024
2011-10-01	1.53512
2012-01-01	2.56848
2012-04-01	2.50720
2012-07-01	2.53440
2012-10-01	3.80552
2013-01-01	3.77440
2013-04-01	3.79640
2013-07-01	3.83040
2013-10-01	3.85328
2014-01-01	6.61064
2014-04-01	7.39372
2014-07-01	5.78915
2014-10-01	5.70121
2015-01-01	5.36528
2015-04-01	5.46935