Quarter	US Dollars, sum over component sub-periods
2006-01-01	10400000.00000000000
2006-04-01	39900000.00000000000
2006-07-01	45430412.10000000000
2006-10-01	1893915.70300000000
2007-01-01	11500000.00000000000
2007-04-01	6683196.44500000000
2007-07-01	102210715.50000000000
2007-10-01	751977.00000000000
2008-01-01	43631000.00000000000
2008-04-01	14751144.79000000000
2008-07-01	123800000.00000000000
2008-10-01	2877871.93500000000
2009-01-01	22068296.77000000000
2009-04-01	600000.00000000000
2009-07-01	54716731.89000000000
2009-10-01	2599199.32000000000
2010-01-01	17275787.49000000000
2010-04-01	3900000.00000000000
2010-07-01	54735000.00000000000
2010-10-01	2567097.24800000000
2011-01-01	16450600.00000000200
2011-04-01	1150000.00000000000
2011-07-01	44622000.00000000000
2011-10-01	501246.22400000000
2012-01-01	850000.00000000000
2012-04-01	22190299.57000000000
2012-07-01	28495000.00000000000
2012-10-01	-3651255.00000000000
2013-01-01	1015756.21799999990
2013-04-01	267837.50000000000
2013-07-01	32645267.50000000400
2013-10-01	-515987.50000000006
2014-01-01	1728013.00000000000
2014-04-01	16017006.59000000200
2014-07-01	39697808.33000000000
2014-10-01	-645722.78800000010
2015-01-01	9552770.00000000000
2015-04-01	2710418.18900000000
2015-07-01	38524692.83000000000
2015-10-01	1141318.74499999990
2016-01-01	84347354.67999999000
2016-04-01	33304358.31000000000
2016-07-01	110357906.30000000000
2016-10-01	142794927.00000000000
2017-01-01	38300289.30000000400
2017-04-01	39652518.46000000000
2017-07-01	59488076.10000000000
2017-10-01	7644523.74200000000
2018-01-01	22739534.73000000000
2018-04-01	10003376.01000000000