Quarter	US Dollars, sum over component sub-periods
2000-01-01	197437997.400000000
2000-04-01	86518505.940000000
2000-07-01	71917245.110000000
2000-10-01	-140458696.500000000
2001-01-01	263248733.899999980
2001-04-01	-69106865.290000000
2001-07-01	70023133.590000000
2001-10-01	-19415048.550000000
2002-01-01	83614550.380000000
2002-04-01	-247435234.799999980
2002-07-01	92767648.570000010
2002-10-01	510138151.600000000
2003-01-01	90967246.410000000
2003-04-01	154690542.900000000
2003-07-01	5117499.397000000
2003-10-01	357471780.400000000
2004-01-01	9029496.684000000
2004-04-01	180279071.799999980
2004-07-01	42302486.570000000
2004-10-01	296451345.500000000
2005-01-01	236334728.700000000
2005-04-01	369746112.700000050
2005-07-01	117465942.100000010
2005-10-01	406932069.700000000
2006-01-01	872476453.200000000
2006-04-01	144764257.000000000
2006-07-01	295806124.300000000
2006-10-01	302950720.000000000
2007-01-01	801212629.699999900
2007-04-01	573395709.300000100
2007-07-01	287549696.600000000
2007-10-01	324297518.200000000
2008-01-01	572308200.700000000
2008-04-01	-15458903.310000000
2008-07-01	-236275182.600000000
2008-10-01	-110179666.200000000
2009-01-01	420990942.800000000
2009-04-01	-10789117.280000000
2009-07-01	320340520.400000000
2009-10-01	322900305.000000000
2010-01-01	513876803.600000000
2010-04-01	287258799.400000000
2010-07-01	337286194.200000000
2010-10-01	173505524.299999980
2011-01-01	214246983.100000000
2011-04-01	452006868.100000000
2011-07-01	-260531544.600000020
2011-10-01	611094911.000000000
2012-01-01	620789895.200000000
2012-04-01	122793421.300000010
2012-07-01	736292784.400000000
2012-10-01	2194475717.000000000
2013-01-01	478402857.800000000
2013-04-01	1431782646.000000000
2013-07-01	341645475.100000000
2013-10-01	1055407212.000000100
2014-01-01	-40864293.990000000
2014-04-01	867754663.500000000
2014-07-01	54462786.410000000
2014-10-01	519628968.800000100
2015-01-01	1119670819.000000000
2015-04-01	514506524.799999950
2015-07-01	157251983.100000000
2015-10-01	-59873939.000000000
2016-01-01	339225600.200000000
2016-04-01	832722541.600000000
2016-07-01	-12108822.229999999
2016-10-01	203818805.900000000
2017-01-01	514007136.999999940
2017-04-01	373569982.400000040
2017-07-01	241242624.600000000
2017-10-01	557348217.000000000
2018-01-01	1824548265.000000000
2018-04-01	388346111.000000000