Quarter	US Dollars, sum over component sub-periods
2003-01-01	353440920.70000000
2003-04-01	1115871984.00000000
2003-07-01	-1673994302.00000000
2003-10-01	-1123645605.00000000
2004-01-01	2061299413.00000020
2004-04-01	157368415.00000000
2004-07-01	809080192.90000010
2004-10-01	740106151.90000000
2005-01-01	1537692803.00000000
2005-04-01	-961417488.80000000
2005-07-01	1251020355.00000000
2005-10-01	-430989423.10000000
2006-01-01	2656320176.00000000
2006-04-01	-1393575805.00000000
2006-07-01	67613230.66999999
2006-10-01	-1051255060.00000000
2007-01-01	4723504704.00000000
2007-04-01	-3134695704.00000000
2007-07-01	585093518.80000000
2007-10-01	-770106820.90000000
2008-01-01	-2583699191.00000000
2008-04-01	-1650915368.00000000
2008-07-01	-6092776386.00000000
2008-10-01	-1263786224.00000000
2009-01-01	2330887223.00000000
2009-04-01	-2101341724.00000000
2009-07-01	-2964533215.00000000
2009-10-01	-2068808212.00000000
2010-01-01	6030838285.00000000
2010-04-01	164152001.39999998
2010-07-01	-1631358928.00000000
2010-10-01	97851064.11000000
2011-01-01	1769259320.00000000
2011-04-01	-4066891479.00000000
2011-07-01	-139953793.60000002
2011-10-01	-3356581459.00000000
2012-01-01	-197880511.20000000
2012-04-01	-1687651025.00000000
2012-07-01	-481970106.90000004
2012-10-01	-3503124794.00000000
2013-01-01	1694046928.00000000
2013-04-01	3605009521.00000000
2013-07-01	-2079133243.00000020
2013-10-01	-1445324231.00000000
2014-01-01	1845680187.00000000
2014-04-01	-399252548.10000000
2014-07-01	1619452030.00000000
2014-10-01	3382944993.00000000
2015-01-01	323821228.09999996
2015-04-01	574567774.20000000
2015-07-01	-345240900.30000000
2015-10-01	-367147695.90000000
2016-01-01	-89252728.48000000
2016-04-01	868275691.10000000
2016-07-01	-130579648.70000000
2016-10-01	-841404737.90000000
2017-01-01	-717949433.10000000
2017-04-01	-257800052.90000004
2017-07-01	-1548070595.00000000
2017-10-01	-515046112.50000006
2018-01-01	-1033985930.99999990
2018-04-01	2033462299.00000000