Quarter	US Dollars, sum over component sub-periods
2000-01-01	-2378355.3292440698
2000-04-01	-19824670.3587923000
2000-07-01	3450756.1373339900
2000-10-01	10180100.8584444000
2001-01-01	12495976.2909010000
2001-04-01	21061949.5254414980
2001-07-01	14509982.0025995990
2001-10-01	257967781.7292270000
2002-01-01	-13170715.2535601000
2002-04-01	-51588804.2744067000
2002-07-01	69853517.4223333900
2002-10-01	-3501763.8273509200
2003-01-01	-152661530.2074720000
2003-04-01	127559539.2919360100
2003-07-01	118718270.1658930000
2003-10-01	-24103386.2843585000
2004-01-01	-35248993.1914932950
2004-04-01	137301493.4626060000
2004-07-01	143166166.2592840200
2004-10-01	152495207.5408480200
2005-01-01	140560800.0655930000
2005-04-01	155067373.8406810000
2005-07-01	238066207.1954140000
2005-10-01	-8328001.3536000300
2006-01-01	304190371.8218990000
2006-04-01	629826137.3981080000
2006-07-01	606810636.8331159000
2006-10-01	435361510.3258570000
2007-01-01	85201603.9566346000
2007-04-01	300508676.9668210000
2007-07-01	369198560.1667900000
2007-10-01	228766032.2094950000
2008-01-01	429433144.6380490000
2008-04-01	111001966.5311630000
2008-07-01	-53728910.5935491000
2008-10-01	-1022963431.2535399000
2009-01-01	-615928829.4298620000
2009-04-01	-615208139.4110170000
2009-07-01	2564786893.1858800000
2009-10-01	270536667.9789470000
2010-01-01	887854481.7308290000
2010-04-01	-295845883.7217940000
2010-07-01	598395739.8849200000
2010-10-01	-202457554.8993020000
2011-01-01	-417615426.2880430000
2011-04-01	273408599.5006299600
2011-07-01	135789314.3655260000
2011-10-01	-1230986201.9777799000
2012-01-01	626442650.4079269000
2012-04-01	-412557300.8835720000
2012-07-01	231185526.3061330000
2012-10-01	582212169.5124430000
2013-01-01	99067096.8607942000
2013-04-01	215437193.4426660000
2013-07-01	55641410.0058621000
2013-10-01	149609934.2592190000
2014-01-01	-6852462.0690025300
2014-04-01	-35652701.3728110050
2014-07-01	-104637309.1139350100
2014-10-01	-7491857.4909725800
2015-01-01	94561283.2334556000
2015-04-01	87377771.2510853100
2015-07-01	252355315.6340920000
2015-10-01	-86447607.1431810000
2016-01-01	6612803.8303453000
2016-04-01	-3387652.2487138700
2016-07-01	-450812344.0481130000
2016-10-01	565692330.9145500000
2017-01-01	49015626.5591143000
2017-04-01	196860074.0665870000
2017-07-01	293622649.7877750000
2017-10-01	489847305.1130060000
2018-01-01	119201128.9068850000
2018-04-01	-140562472.0165940000