Quarter	US Dollars, sum over component sub-periods
1995-01-01	4026597384.2969804
1995-04-01	4850324569.1869390
1995-07-01	6064745253.3806800
1995-10-01	4891289421.8885910
1996-01-01	4516129032.2580595
1996-04-01	4889346371.5903200
1996-07-01	6085706819.9634200
1996-10-01	5050061778.3647900
1997-01-01	4211726768.6499700
1997-04-01	4514889894.6487600
1997-07-01	5335570469.7986600
1997-10-01	4438957374.1274300
1998-01-01	4139173778.9571800
1998-04-01	4648581818.1818200
1998-07-01	5571428571.4285700
1998-10-01	4582179693.3213100
1999-01-01	4108366424.2890600
1999-04-01	4369662110.2854190
1999-07-01	5143715758.9055395
1999-10-01	4434880510.3659900
2000-01-01	4028038663.9777400
2000-04-01	4300524880.2631700
2000-07-01	4755182297.4303800
2000-10-01	4156150707.2111897
2001-01-01	4340143614.8176400
2001-04-01	4453799867.3167305
2001-07-01	5067811747.0933200
2001-10-01	4548193389.8480210
2002-01-01	4209574073.3887396
2002-04-01	5080870391.0611710
2002-07-01	5793923969.2918700
2002-10-01	5056360156.7048300
2003-01-01	5049854942.4663700
2003-04-01	6077019754.3080500
2003-07-01	7311142358.8743305
2003-10-01	6808620762.2870800
2004-01-01	6235747363.1627000
2004-04-01	6944628691.2540200
2004-07-01	8308092028.8141100
2004-10-01	7759459786.2119300
2005-01-01	7068615132.7026600
2005-04-01	7947496674.4219800
2005-07-01	9360888868.2827400
2005-10-01	7586923556.5113800
2006-01-01	7021313570.4698000
2006-04-01	8507854872.1540100
2006-07-01	10354403031.5386000
2006-10-01	9350514116.9838600
2007-01-01	8185292865.8316700
2007-04-01	9737172441.6904320
2007-07-01	11898172757.8960000
2007-10-01	11233199263.9534000
2008-01-01	9981058005.6492900
2008-04-01	12009102611.7746010
2008-07-01	13245167835.4214000
2008-10-01	9960608376.4541000
2009-01-01	7989804427.1495600
2009-04-01	9530036497.0496310
2009-07-01	11612179897.9292000
2009-10-01	9912968481.0360500
2010-01-01	8500489260.9688400
2010-04-01	9122258191.3895900
2010-07-01	11456628157.4310000
2010-10-01	9679051842.8441100
2011-01-01	9273890508.0724100
2011-04-01	11245228823.3277990
2011-07-01	13208924899.8762000
2011-10-01	10778621234.7004000
2012-01-01	9709686179.1864100
2012-04-01	11084660083.5078010
2012-07-01	12061742395.6091000
2012-10-01	11284402145.8420000
2013-01-01	10867358319.2570000
2013-04-01	12536388629.0030000
2013-07-01	14130900484.3713990
2013-10-01	13498164512.0515000
2014-01-01	12426254715.9292010
2014-04-01	13873014607.2587990
2014-07-01	15600230718.2775000
2014-10-01	13290555188.9854000
2015-01-01	10679796357.5689980
2015-04-01	11601334717.1218990
2015-07-01	13221417483.8601990
2015-10-01	12196772521.7455000
2016-01-01	10604733075.9304000
2016-04-01	12481240101.6781000
2016-07-01	13910462081.4450020
2016-10-01	12628407844.4162000
2017-01-01	11290643022.1820980
2017-04-01	13504161170.1878000
2017-07-01	15982468073.2482000
2017-10-01	14786088005.5385000
2018-01-01	13893690344.5489000
2018-04-01	15197423881.2518000