Quarter	US Dollars, sum over component sub-periods
2003-04-01	122149232953.135000
2003-07-01	69307828510.893200
2003-10-01	92092485826.146210
2004-01-01	107954188462.548000
2004-04-01	70177871365.089900
2004-07-01	73361858693.285600
2004-10-01	98093043881.654800
2005-01-01	137515622206.233000
2005-04-01	76723861798.806300
2005-07-01	158530238316.999000
2005-10-01	79132837734.586610
2006-01-01	242291252921.832980
2006-04-01	236168700026.258030
2006-07-01	171902973224.488000
2006-10-01	174931621256.571000
2007-01-01	278466469082.352000
2007-04-01	207455830963.829000
2007-07-01	261931660113.825000
2007-10-01	200542747540.707980
2008-01-01	213849636228.214000
2008-04-01	123169842617.200990
2008-07-01	146359629409.748020
2008-10-01	-268240339344.704000
2009-01-01	174907890923.929000
2009-04-01	-135302550175.459990
2009-07-01	53354805394.525604
2009-10-01	22605053107.060898
2010-01-01	89888211281.666090
2010-04-01	103450397845.884000
2010-07-01	166116585079.303000
2010-10-01	-94375845419.267210
2011-01-01	239104495610.087980
2011-04-01	120486445060.594000
2011-07-01	111772496418.931000
2011-10-01	69992324315.181290
2012-01-01	141545822266.923980
2012-04-01	33990050922.426900
2012-07-01	98848975910.234010
2012-10-01	-19945943252.380100
2013-01-01	106460790586.767000
2013-04-01	108202916753.088000
2013-07-01	109685352972.334000
2013-10-01	65194623757.007600
2014-01-01	111274390553.704000
2014-04-01	52332680584.306206
2014-07-01	63746638139.689300
2014-10-01	32659504088.979800
2015-01-01	104794164954.790010
2015-04-01	18020835784.733300
2015-07-01	226159277494.876980
2015-10-01	-79533987118.742810
2016-01-01	189881151318.507020
2016-04-01	110044495647.221010
2016-07-01	94180724381.200000
2016-10-01	-57276079127.797800
2017-01-01	313789516774.657000
2017-04-01	9628547198.061280
2017-07-01	20325734308.908900
2017-10-01	-14651851003.656600
2018-01-01	97563051816.241600
2018-04-01	-64874345665.218094