Quarter	Billions of US Dollars
1999-01-01	33607.614
1999-04-01	33602.704
1999-07-01	35779.290
1999-10-01	36250.301
2000-01-01	36103.949
2000-04-01	36236.147
2000-07-01	35645.362
2000-10-01	36263.685
2001-01-01	35091.474
2001-04-01	35255.726
2001-07-01	36806.532
2001-10-01	36223.434
2002-01-01	36322.672
2002-04-01	39266.084
2002-07-01	39297.910
2002-10-01	40924.256
2003-01-01	41635.969
2003-04-01	43063.425
2003-07-01	44474.215
2003-10-01	46918.638
2004-01-01	47220.638
2004-04-01	47253.897
2004-07-01	48227.522
2004-10-01	51884.371
2005-01-01	51247.152
2005-04-01	50557.519
2005-07-01	51301.718
2005-10-01	51506.533
2006-01-01	53033.764
2006-04-01	55670.008
2006-07-01	56367.846
2006-10-01	58442.981
2007-01-01	59705.463
2007-04-01	61435.493
2007-07-01	64541.665
2007-10-01	67163.542
2008-01-01	70944.342
2008-04-01	71240.387
2008-07-01	68495.923
2008-10-01	67573.217
2009-01-01	65486.936
2009-04-01	68229.725
2009-07-01	69974.022
2009-10-01	69323.670
2010-01-01	67446.577
2010-04-01	65545.447
2010-07-01	69472.128
2010-10-01	69531.504
2011-01-01	71265.874
2011-04-01	72550.831
2011-07-01	70843.075
2011-10-01	70475.308
2012-01-01	71541.667
2012-04-01	70312.613
2012-07-01	72152.721
2012-10-01	71787.396
2013-01-01	69892.109
2013-04-01	69819.566
2013-07-01	71498.707
2013-10-01	71541.146
2014-01-01	71962.124
2014-04-01	72572.385
2014-07-01	69759.700
2014-10-01	68384.940
2015-01-01	66152.965
2015-04-01	67637.880
2015-07-01	67516.689
2015-10-01	67168.684
2016-01-01	69476.906
2016-04-01	69937.438
2016-07-01	70773.328
2016-10-01	68388.917
2017-01-01	69925.295
2017-04-01	72271.181
2017-07-01	73916.123
2017-10-01	74914.178
2018-01-01	76609.406