Quarter	Billions of US Dollars
1999-01-01	34952.489
1999-04-01	35005.565
1999-07-01	37108.214
1999-10-01	37733.579
2000-01-01	37659.953
2000-04-01	37786.164
2000-07-01	37349.479
2000-10-01	37856.647
2001-01-01	36630.843
2001-04-01	36883.882
2001-07-01	38363.608
2001-10-01	37856.755
2002-01-01	38090.936
2002-04-01	40955.633
2002-07-01	41027.895
2002-10-01	42683.486
2003-01-01	43454.067
2003-04-01	45071.223
2003-07-01	46570.358
2003-10-01	48920.040
2004-01-01	49493.308
2004-04-01	49519.681
2004-07-01	50564.451
2004-10-01	54274.234
2005-01-01	53846.936
2005-04-01	53424.138
2005-07-01	54373.323
2005-10-01	54819.647
2006-01-01	56701.939
2006-04-01	59414.603
2006-07-01	60355.220
2006-10-01	62647.603
2007-01-01	64213.566
2007-04-01	66363.585
2007-07-01	69783.848
2007-10-01	72650.312
2008-01-01	76613.718
2008-04-01	77404.156
2008-07-01	74942.622
2008-10-01	73980.135
2009-01-01	72542.993
2009-04-01	76045.043
2009-07-01	78231.853
2009-10-01	78122.445
2010-01-01	77037.930
2010-04-01	75823.910
2010-07-01	80236.886
2010-10-01	81016.674
2011-01-01	83346.980
2011-04-01	85302.602
2011-07-01	83831.185
2011-10-01	84346.427
2012-01-01	86182.466
2012-04-01	85441.813
2012-07-01	88093.153
2012-10-01	88599.611
2013-01-01	87929.639
2013-04-01	88581.608
2013-07-01	91064.687
2013-10-01	91874.476
2014-01-01	92746.036
2014-04-01	94601.184
2014-07-01	92397.526
2014-10-01	91226.637
2015-01-01	89755.146
2015-04-01	91956.284
2015-07-01	91569.353
2015-10-01	91861.544
2016-01-01	95304.587
2016-04-01	95976.533
2016-07-01	97382.479
2016-10-01	94676.696
2017-01-01	97490.223
2017-04-01	100439.626
2017-07-01	103358.423
2017-10-01	105633.804
2018-01-01	109562.473