Quarter	US Dollars, sum over component sub-periods
2004-01-01	1096460000.0000000
2004-04-01	-2115880000.0000000
2004-07-01	-268380000.0000000
2004-10-01	613660000.0000000
2005-01-01	49230000.0000000
2005-04-01	-1729270000.0000000
2005-07-01	-3482860000.0000000
2005-10-01	4500250000.0000000
2006-01-01	5359080000.0000000
2006-04-01	-354030000.0000000
2006-07-01	2189120000.0000000
2006-10-01	-292480000.0000000
2007-01-01	4379180000.0000000
2007-04-01	3636560000.0000000
2007-07-01	1179460000.0000000
2007-10-01	3520230000.0000000
2008-01-01	1032020000.0000000
2008-04-01	1324340000.0000000
2008-07-01	-88920000.0000000
2008-10-01	-4212109999.9999995
2009-01-01	3954630000.0000000
2009-04-01	1051740000.0000000
2009-07-01	3545810000.0000000
2009-10-01	3953690000.0000000
2010-01-01	6620720000.0000000
2010-04-01	5420550000.0000000
2010-07-01	6954870000.0000000
2010-10-01	11346960000.0000000
2011-01-01	7666060000.0000000
2011-04-01	11876390000.0000000
2011-07-01	-3959600000.0000000
2011-10-01	-3726240000.0000000
2012-01-01	-1033660000.0000001
2012-04-01	-2810810000.0000000
2012-07-01	834320000.0000000
2012-10-01	3225260000.0000000
2013-01-01	-6614840000.0000000
2013-04-01	-2476770000.0000000
2013-07-01	-2645230000.0000000
2013-10-01	4412110000.0000000
2014-01-01	2066250000.0000000
2014-04-01	4296690000.0000000
2014-07-01	6475410000.0000000
2014-10-01	2410250000.0000000
2015-01-01	1303140000.0000000
2015-04-01	-2925180000.0000000
2015-07-01	-4565350000.0000000
2015-10-01	5089340000.0000000
2016-01-01	-286770000.0000000
2016-04-01	2161970000.0000000
2016-07-01	5708260000.0000000
2016-10-01	4505400000.0000000
2017-01-01	4514200000.0000000
2017-04-01	738590000.0000000
2017-07-01	5359380000.0000000
2017-10-01	973870000.0000000
2018-01-01	-3854690000.0000000
2018-04-01	-4308740000.0000000