Quarter	US Dollars, sum over component sub-periods
2004-01-01	2693636.30781532000
2004-04-01	-271625.64242014696
2004-07-01	2483013.14685170000
2004-10-01	-1084295.48383449000
2005-01-01	-1859374.57147227000
2005-04-01	-683483.50290954500
2005-07-01	-2091467.16069259000
2005-10-01	-1489281.85259117000
2006-01-01	-1159770.29919344000
2006-04-01	-2007284.84149222030
2006-07-01	-1520491.25158547000
2006-10-01	-5726691.69399016000
2007-01-01	2066806.41801830000
2007-04-01	-2045921.94069820010
2007-07-01	-15651257.23053470000
2007-10-01	-36183595.40633970000
2008-01-01	-545522.03892898900
2008-04-01	4045769.70880343000
2008-07-01	4335178.13865856000
2008-10-01	25432873.94891020000
2009-01-01	-130105.91804509900
2009-04-01	-544729.15101741210
2009-07-01	-1144338.98969492010
2009-10-01	-1329014.09696595000
2010-01-01	0.00000000000
2010-04-01	-1397755.12056394000
2010-07-01	-1680046.99432152000
2010-10-01	-1628784.49185429000
2011-01-01	-1367225.49138617000
2011-04-01	-863578.30462008200
2011-07-01	-847178.50774192900
2011-10-01	-943129.35803628400
2012-01-01	-1180269.79487679000
2012-04-01	-256470.61738796400
2012-07-01	0.00000000000
2012-10-01	-2206266.08946882000
2013-01-01	-92232679.27586970000
2013-04-01	-10186876.89407470000
2013-07-01	-98418251.40502370000
2013-10-01	-51041763.55772240000
2014-01-01	0.00000000000
2014-04-01	0.00000000000
2014-07-01	0.00000000000
2014-10-01	0.00000000000
2015-01-01	0.00000000000
2015-04-01	0.00000000000
2015-07-01	-23345645.93971770000
2015-10-01	-27356837.70353830000
2016-01-01	-15429875.60413900000
2016-04-01	-11179252.42075580000
2016-07-01	-11605070.24282270000
2016-10-01	-17240147.22787200000
2017-01-01	-13745686.57853419900
2017-04-01	-2419509.29020386000
2017-07-01	-1644286.83881153980
2017-10-01	-2708290.38884595000
2018-01-01	-2211979.71167416000
2018-04-01	-2501535.51893939030