Quarter	US Dollars, sum over component sub-periods, Seasonally Adjusted
1999-01-01	190052245034.47000
1999-04-01	185952318459.71100
1999-07-01	197450521732.32400
1999-10-01	207329677869.32600
2000-01-01	214565524062.19098
2000-04-01	213196302970.18900
2000-07-01	216276842340.86798
2000-10-01	223562476696.23398
2001-01-01	225566600875.80200
2001-04-01	210262257714.88200
2001-07-01	202814628410.77200
2001-10-01	196447023456.36100
2002-01-01	194004734528.08900
2002-04-01	209107382199.96300
2002-07-01	216138448105.72700
2002-10-01	224998922723.77500
2003-01-01	246168082924.01100
2003-04-01	247690010874.94500
2003-07-01	245071067789.29797
2003-10-01	267597358433.22200
2004-01-01	277025951953.11700
2004-04-01	289468442885.22000
2004-07-01	302595017013.43300
2004-10-01	327301397575.53800
2005-01-01	324474464355.42600
2005-04-01	343304043242.94700
2005-07-01	350499069218.60200
2005-10-01	360385767218.76000
2006-01-01	387308623783.75806
2006-04-01	412054302440.65100
2006-07-01	418443680058.99700
2006-10-01	431074179640.99097
2007-01-01	445510688195.39400
2007-04-01	453622685419.81600
2007-07-01	484630972263.57404
2007-10-01	520365059169.74100
2008-01-01	566509990182.78910
2008-04-01	610892334142.46400
2008-07-01	615013944253.41100
2008-10-01	477326432740.63500
2009-01-01	393375893738.94800
2009-04-01	387622318567.31500
2009-07-01	427702419093.42400
2009-10-01	453535659024.77600
2010-01-01	448867069277.37600
2010-04-01	464418878770.46000
2010-07-01	492273412962.60004
2010-10-01	528791536150.50300
2011-01-01	560326468348.51810
2011-04-01	595627084332.84510
2011-07-01	592731408066.41800
2011-10-01	559473362282.40810
2012-01-01	569748752976.93100
2012-04-01	547602469304.06000
2012-07-01	534630506229.57806
2012-10-01	548087500304.82806
2013-01-01	540317376174.32400
2013-04-01	534732937549.40094
2013-07-01	550698862124.58900
2013-10-01	559834093271.89900
2014-01-01	556491048559.28100
2014-04-01	561404028034.99800
2014-07-01	557441091909.45590
2014-10-01	518775919519.64400
2015-01-01	478605161715.65700
2015-04-01	479166424968.10400
2015-07-01	473382330793.47800
2015-10-01	459247879290.01200
2016-01-01	439505678842.26800
2016-04-01	458919378202.70300
2016-07-01	461716423413.38403
2016-10-01	460988283510.11597
2017-01-01	491994138475.69000
2017-04-01	490103830195.43005
2017-07-01	516485881897.55396
2017-10-01	532940679766.27496
2018-01-01	561961556343.09700
2018-04-01	557194642144.81700