Quarter	US Dollars, sum over component sub-periods
2004-01-01	484174149.8228170000
2004-04-01	-46760432.8156749000
2004-07-01	290149549.4834910000
2004-10-01	375977972.2970279500
2005-01-01	565645968.1991220000
2005-04-01	558157817.8780291000
2005-07-01	750619310.6755531000
2005-10-01	892596167.2191141000
2006-01-01	500151919.7927380000
2006-04-01	629515329.2732540000
2006-07-01	296993105.5499970000
2006-10-01	2204614174.7652200000
2007-01-01	162007698.6687560000
2007-04-01	687756680.7306570000
2007-07-01	1514842028.9697600000
2007-10-01	2491693422.2981600000
2008-01-01	-634495916.9993379000
2008-04-01	381478793.6947000000
2008-07-01	165078904.2444510000
2008-10-01	194274404.7104930000
2009-01-01	-63393700.7844065950
2009-04-01	583705726.7071880000
2009-07-01	418098168.8859200000
2009-10-01	976775382.6501061000
2010-01-01	703708071.7066901000
2010-04-01	-81980837.9553332000
2010-07-01	724955511.7617010000
2010-10-01	448207842.9790110000
2011-01-01	323448372.1323139700
2011-04-01	849075149.6455350000
2011-07-01	201234348.1724860000
2011-10-01	980660154.1910931000
2012-01-01	784395539.9023999000
2012-04-01	-1391852583.9783700000
2012-07-01	941900036.0416580000
2012-10-01	63288292.3727168100
2013-01-01	-78825825.0516568100
2013-04-01	-388528123.8295319700
2013-07-01	491201247.8374610000
2013-10-01	574173788.9926621000
2014-01-01	857689872.8840040000
2014-04-01	-160145232.5904890000
2014-07-01	118309696.7070080000
2014-10-01	1128799839.9074700000
2015-01-01	2735770496.9001000000
2015-04-01	-258804110.0638159800
2015-07-01	925888317.9692060000
2015-10-01	573552516.5573030000
2016-01-01	1217549441.2431798000
2016-04-01	961099527.3084489000
2016-07-01	1683248486.3931100000
2016-10-01	2169219974.7629600000
2017-01-01	-5860564.0451114895
2017-04-01	712215552.8800100000
2017-07-01	1508856327.8234300000
2017-10-01	2698564093.7973100000
2018-01-01	359446703.1470510000
2018-04-01	374182065.3377340000