Quarter	US Dollars, sum over component sub-periods
2000-01-01	771649439.600000000
2000-04-01	174720056.000000000
2000-07-01	111704158.199999990
2000-10-01	395301628.600000000
2001-01-01	738595579.400000000
2001-04-01	1807632295.000000000
2001-07-01	143650574.900000000
2001-10-01	759364178.199999900
2002-01-01	-645650286.000000000
2002-04-01	-656234360.599999900
2002-07-01	38451620.150000000
2002-10-01	330911916.599999960
2003-01-01	25070995.200000000
2003-04-01	-359336689.600000000
2003-07-01	94763159.500000000
2003-10-01	369059416.800000000
2004-01-01	171183379.500000000
2004-04-01	-62970584.809999995
2004-07-01	587700834.200000000
2004-10-01	609789263.700000000
2005-01-01	426567766.300000000
2005-04-01	-700552629.000000000
2005-07-01	-51823949.980000004
2005-10-01	273286330.900000000
2006-01-01	-373244504.099999960
2006-04-01	-1007394629.000000000
2006-07-01	1699243207.000000000
2006-10-01	583381991.200000000
2007-01-01	78062932.700000000
2007-04-01	881481210.400000000
2007-07-01	873769614.400000000
2007-10-01	50539150.730000004
2008-01-01	-185472278.600000020
2008-04-01	-508075332.600000000
2008-07-01	-109264375.600000000
2008-10-01	-392400186.599999960
2009-01-01	973998700.200000000
2009-04-01	435168066.099999960
2009-07-01	1826350838.000000000
2009-10-01	1432637805.000000000
2010-01-01	-571983163.000000000
2010-04-01	1054742131.000000000
2010-07-01	1513354305.000000000
2010-10-01	1266436985.000000000
2011-01-01	1871255931.000000000
2011-04-01	1000131092.000000000
2011-07-01	2305136337.000000000
2011-10-01	2355577804.000000000
2012-01-01	1279175994.000000000
2012-04-01	1367676223.000000000
2012-07-01	3787996860.000000000
2012-10-01	920854752.300000000
2013-01-01	3043864376.000000000
2013-04-01	1863342420.000000000
2013-07-01	5470809774.000000000
2013-10-01	695080247.500000000
2014-01-01	4231322429.000000000
2014-04-01	6002116553.000000000
2014-07-01	6422937773.000000000
2014-10-01	2004651861.000000000
2015-01-01	4029876396.000000000
2015-04-01	2308713234.000000000
2015-07-01	2790640745.000000000
2015-10-01	-438501784.900000040
2016-01-01	2209150969.000000000
2016-04-01	2914194563.000000000
2016-07-01	2606459922.000000000
2016-10-01	2299439365.000000000
2017-01-01	1805659171.000000000
2017-04-01	1317972710.000000000
2017-07-01	2540809275.000000000
2017-10-01	1949795733.000000000
2018-01-01	184350079.100000000
2018-04-01	-477734273.800000000