Quarter	US Dollars, sum over component sub-periods
2005-01-01	2502885165.6606500
2005-04-01	4939529166.6327200
2005-07-01	-769968266.8745010
2005-10-01	2314184671.6237300
2006-01-01	890378237.4320769
2006-04-01	-721232215.4603250
2006-07-01	2567687162.8644900
2006-10-01	-557945582.0944680
2007-01-01	-1784246918.2507300
2007-04-01	4465650053.8830300
2007-07-01	4767471811.1140700
2007-10-01	-3601862015.6773300
2008-01-01	-7215889970.7307100
2008-04-01	6200062428.1967910
2008-07-01	-2436540744.6550198
2008-10-01	388281334.1526350
2009-01-01	4014749761.9299603
2009-04-01	-5002056622.6866500
2009-07-01	3131345547.1232200
2009-10-01	5359321479.9321400
2010-01-01	1634231282.7158300
2010-04-01	955107138.0731200
2010-07-01	-3004448347.1183000
2010-10-01	-588715977.9657481
2011-01-01	10052667539.2239990
2011-04-01	-6018856418.3725700
2011-07-01	4564061061.5376400
2011-10-01	10134317352.2403000
2012-01-01	7125346743.4628000
2012-04-01	4498016906.1592800
2012-07-01	3642356332.8479700
2012-10-01	1895019866.1301000
2013-01-01	16796209562.7735000
2013-04-01	-136325423.9686700
2013-07-01	-3164975975.4397800
2013-10-01	-164385807.3827610
2014-01-01	18900958202.8676000
2014-04-01	403207998.0000330
2014-07-01	816765145.0208460
2014-10-01	6690166291.5953900
2015-01-01	2195201219.6768800
2015-04-01	12377925416.2078000
2015-07-01	303473062.4613730
2015-10-01	3029239303.2208800
2016-01-01	4284329514.9082500
2016-04-01	3279054198.6155300
2016-07-01	3288085678.7192200
2016-10-01	3847326997.0336500
2017-01-01	8337153594.3267010
2017-04-01	-428937048.6747790
2017-07-01	6187185506.0261700
2017-10-01	6322617776.3237200
2018-01-01	814442899.9943160
2018-04-01	4222736995.4550405
2018-07-01	5461738880.3690405