Quarter	US Dollars, sum over component sub-periods
2000-04-01	-672686532.74444800
2000-07-01	-999102540.73080200
2000-10-01	-401688265.80889800
2001-01-01	245336460.68386400
2001-04-01	-248282541.07671002
2001-07-01	-456105175.03876400
2001-10-01	-801681068.55759500
2002-01-01	-365366324.23224200
2002-04-01	120303593.01183501
2002-07-01	-785158841.70591010
2002-10-01	-464593851.88354796
2003-01-01	-562712260.34058500
2003-04-01	-571564318.92607310
2003-07-01	-2540997572.84763000
2003-10-01	-1464008365.45174000
2004-01-01	-804414570.57511800
2004-04-01	-530687956.65738004
2004-07-01	-2965589786.27822970
2004-10-01	-4278735412.43543960
2005-01-01	-566560947.18617390
2005-04-01	-1618366023.98302000
2005-07-01	-3652668241.83972000
2005-10-01	-3081704582.53825000
2006-01-01	-1588184474.64490000
2006-04-01	-1135382003.95934990
2006-07-01	-3191238437.21331020
2006-10-01	-2991509607.54936030
2007-01-01	-669487134.37064400
2007-04-01	-1122733612.27336000
2007-07-01	-4004292335.63782020
2007-10-01	-1669297538.38642000
2008-01-01	-1652705606.12885000
2008-04-01	-3312689895.25416000
2008-07-01	-4182266850.68091960
2008-10-01	1626467262.62986000
2009-01-01	2286182869.99808030
2009-04-01	-124727689.91929899
2009-07-01	-2071159763.01511000
2009-10-01	-1840537720.22194000
2010-01-01	698274678.15110600
2010-04-01	-1363874581.34271000
2010-07-01	3819257314.01004000
2010-10-01	-1932514726.14851000
2011-01-01	11108830892.69100000
2011-04-01	-1383760866.95321000
2011-07-01	-5954666946.79295900
2011-10-01	-2266842166.77020030
2012-01-01	-665816605.65041600
2012-04-01	-1976584542.46137000
2012-07-01	-1325774753.66147000
2012-10-01	-2786931163.17279000
2013-01-01	738534685.48035410
2013-04-01	-152378731.80181298
2013-07-01	1016999936.58008000
2013-10-01	-1035648162.35330000
2014-01-01	579068288.61894000
2014-04-01	-324515622.44658500
2014-07-01	-1587268019.69924000
2014-10-01	-2107376994.55396990
2015-01-01	2356141912.87226000
2015-04-01	-682389295.77554800
2015-07-01	216658561.08499402
2015-10-01	-633031899.63296700
2016-01-01	-1511315685.58034000
2016-04-01	-1683637239.27541000
2016-07-01	-5532563299.37411000
2016-10-01	1760035622.30622980
2017-01-01	-14942325.12104510
2017-04-01	-276310757.07092300
2017-07-01	-1604401334.72034000
2017-10-01	-1883506315.25705980
2018-01-01	-301103905.49859900
2018-04-01	1205600510.20082000