Quarter	US Dollars, sum over component sub-periods
2000-01-01	619561563.2680800
2000-04-01	691531148.3978720
2000-07-01	685550219.2836860
2000-10-01	778212154.5121909
2001-01-01	705454661.5135930
2001-04-01	763772801.2120620
2001-07-01	799165162.6047181
2001-10-01	1009536254.0399200
2002-01-01	741950292.6172200
2002-04-01	901682579.0570210
2002-07-01	966306991.0089461
2002-10-01	1064536203.5146800
2003-01-01	979678323.7723601
2003-04-01	1150488921.6907299
2003-07-01	1228795291.2016100
2003-10-01	1319343249.2491000
2004-01-01	1298990675.0198500
2004-04-01	1668148985.9942700
2004-07-01	1681880007.2261899
2004-10-01	1890940573.5065100
2005-01-01	1715629952.2024798
2005-04-01	1955361762.8202900
2005-07-01	2030277449.0562800
2005-10-01	2299718088.0726900
2006-01-01	2118511601.3841298
2006-04-01	2569489899.1859097
2006-07-01	2938442264.4964995
2006-10-01	3269075482.8610200
2007-01-01	3241593332.0731900
2007-04-01	3646531299.8754096
2007-07-01	3915700714.3340200
2007-10-01	4020780199.0238400
2008-01-01	3805046992.3852200
2008-04-01	4178989528.7014000
2008-07-01	4096829432.7581196
2008-10-01	3159849671.0241404
2009-01-01	2199559004.4607800
2009-04-01	2080571456.0213602
2009-07-01	2370463206.5712400
2009-10-01	2544227352.9604797
2010-01-01	2307590587.4626503
2010-04-01	2444554134.0287900
2010-07-01	2927635071.4799800
2010-10-01	3180893530.3306500
2011-01-01	3163505091.9466800
2011-04-01	3770160687.8507900
2011-07-01	4165620112.5674496
2011-10-01	4078686182.7974200
2012-01-01	3681333483.2549500
2012-04-01	3853105258.7194700
2012-07-01	3993886173.3751300
2012-10-01	4251834529.6911000
2013-01-01	3917773457.1882100
2013-04-01	3919651240.6962700
2013-07-01	4281738979.4987200
2013-10-01	4394451796.2866910
2014-01-01	4123811673.1257195
2014-04-01	4183707380.3248606
2014-07-01	4263639215.6678004
2014-10-01	4172964622.4717298
2015-01-01	3398577548.5928800
2015-04-01	3428747985.8020800
2015-07-01	3607458146.3992400
2015-10-01	3473224114.8412200
2016-01-01	3105813532.3188400
2016-04-01	3421528771.2010098
2016-07-01	3475941712.1531500
2016-10-01	3606423298.2304800
2017-01-01	3416176059.7504400
2017-04-01	3757937838.4666300
2017-07-01	4270447818.5134000
2017-10-01	4229643076.8411503
2018-01-01	4172039511.7409797
2018-04-01	4245463137.8571300