Quarter	US Dollars, sum over component sub-periods
2004-01-01	135458693.944229000
2004-04-01	398186778.409768000
2004-07-01	385929442.870884000
2004-10-01	373780026.791852000
2005-01-01	67898529.268387700
2005-04-01	588430784.271414000
2005-07-01	1092054049.976180000
2005-10-01	870459782.272080100
2006-01-01	440023052.301425040
2006-04-01	974004985.348254000
2006-07-01	1016512484.975250000
2006-10-01	1218112164.028420000
2007-01-01	869939398.110466000
2007-04-01	1557729123.238280000
2007-07-01	2187754272.600750000
2007-10-01	2420870469.292820000
2008-01-01	1159853752.139700000
2008-04-01	2094850146.194790000
2008-07-01	695711184.949925100
2008-10-01	-15299274.233820200
2009-01-01	-454996850.372205000
2009-04-01	-457539458.649724000
2009-07-01	-211121707.844275000
2009-10-01	-1864296252.271370000
2010-01-01	-1541205160.785680000
2010-04-01	-50998966.068636500
2010-07-01	-575230846.096225000
2010-10-01	-297309843.067970000
2011-01-01	-532256814.901277070
2011-04-01	599796132.678706000
2011-07-01	-289885088.465220030
2011-10-01	-41563688.935029100
2012-01-01	-805634396.239386000
2012-04-01	-887301204.186709000
2012-07-01	34255456.580224900
2012-10-01	-622118726.458857000
2013-01-01	41987625.404400095
2013-04-01	-316070762.026645960
2013-07-01	-2118959.278889020
2013-10-01	-357514705.779503000
2014-01-01	41825837.061088800
2014-04-01	38705423.332571000
2014-07-01	-171919192.602166000
2014-10-01	-928147658.034670000
2015-01-01	4142549701.727720300
2015-04-01	-252776149.895228000
2015-07-01	303059835.220307000
2015-10-01	-1851740573.212180000
2016-01-01	3326493817.477180000
2016-04-01	878756993.316377000
2016-07-01	310011597.582789000
2016-10-01	1143301913.600370000
2017-01-01	541910373.894972900
2017-04-01	-1119528944.116330000
2017-07-01	570767196.469460000
2017-10-01	270982116.167443000
2018-01-01	1601817396.985020000
2018-04-01	230689223.141810000