Quarter	US Dollars, sum over component sub-periods
2008-01-01	-296645074.319807950
2008-04-01	-606078539.720156000
2008-07-01	-376376896.489389000
2008-10-01	-378250951.004586000
2009-01-01	-50741308.037588805
2009-04-01	-55834737.979284800
2009-07-01	-120155593.917966010
2009-10-01	-147668232.996217000
2010-01-01	-12453915.570359700
2010-04-01	-31767161.830998700
2010-07-01	-9046406.892500490
2010-10-01	13573204.098785700
2011-01-01	117581392.259211000
2011-04-01	146808311.785413980
2011-07-01	-35299104.489247100
2011-10-01	-107786212.347004000
2012-01-01	141632375.385214980
2012-04-01	316741212.474136000
2012-07-01	1251347.898704130
2012-10-01	23360464.476728600
2013-01-01	-112157049.190972000
2013-04-01	40486305.604655900
2013-07-01	-67554923.575453700
2013-10-01	24500046.507706698
2014-01-01	-320695224.829318050
2014-04-01	-23311381.666837998
2014-07-01	-39735687.005291700
2014-10-01	-429533162.815760970
2015-01-01	-50657830.303636900
2015-04-01	16590716.060332699
2015-07-01	80042214.650460810
2015-10-01	48148034.358227400
2016-01-01	147685952.211045000
2016-04-01	98241915.212702100
2016-07-01	89269771.098636200
2016-10-01	560304784.905840000
2017-01-01	36228941.369780100
2017-04-01	114376802.809637000
2017-07-01	436910502.884209000
2017-10-01	85958781.906849700
2018-01-01	76190412.290998790
2018-04-01	50030710.378787800