Quarter	US Dollars, sum over component sub-periods
2004-01-01	-343462210.130058000
2004-04-01	-628976028.002596000
2004-07-01	-270113959.540209950
2004-10-01	-174801313.117463000
2005-01-01	-232325915.427037000
2005-04-01	-149346634.207364000
2005-07-01	-594977804.558895000
2005-10-01	-263494388.563082000
2006-01-01	-579762540.351235000
2006-04-01	-624622723.087191900
2006-07-01	-1029780218.212880000
2006-10-01	-702048138.552828100
2007-01-01	-1035223951.525759900
2007-04-01	-1533065303.411960100
2007-07-01	-1198500504.928580000
2007-10-01	-1314497180.933390000
2008-01-01	-2139704421.322930000
2008-04-01	-2056233235.521600000
2008-07-01	-1151033746.565780000
2008-10-01	-154179754.994274970
2009-01-01	48100787.399302300
2009-04-01	275148395.139312000
2009-07-01	752433764.449737100
2009-10-01	1514519046.411640000
2010-01-01	105673934.011455000
2010-04-01	263792151.990021970
2010-07-01	-9261319.525699510
2010-10-01	580073662.721090900
2011-01-01	-242790993.258813000
2011-04-01	-232430001.955206000
2011-07-01	12886928.700701100
2011-10-01	164770338.278151000
2012-01-01	-586690630.296380000
2012-04-01	494144284.868532000
2012-07-01	-51633224.699390100
2012-10-01	728593497.028530000
2013-01-01	29708225.521981200
2013-04-01	506418209.789904000
2013-07-01	197592952.756401000
2013-10-01	907736234.316439000
2014-01-01	-76064407.019413000
2014-04-01	864389.106682726
2014-07-01	333702860.615392000
2014-10-01	551280739.027249000
2015-01-01	-420426219.633317000
2015-04-01	66351803.763956994
2015-07-01	419977053.481265000
2015-10-01	795066302.810393100
2016-01-01	-894414782.073354000
2016-04-01	-208939098.526509020
2016-07-01	347281727.016469960
2016-10-01	805599754.682407000
2017-01-01	-322725278.607803000
2017-04-01	10590852.029392399
2017-07-01	484195494.406033000
2017-10-01	1324848557.521020000
2018-01-01	-454610985.853744030
2018-04-01	278135013.484361050