Quarter	US Dollars, sum over component sub-periods
2000-01-01	183765360.990000000
2000-04-01	147730453.845000000
2000-07-01	47399024.390000000
2000-10-01	-244760599.500000000
2001-01-01	306870550.870000000
2001-04-01	-101082723.881000010
2001-07-01	21470813.117000000
2001-10-01	-22311656.459000003
2002-01-01	-131640137.771000010
2002-04-01	-313402711.000000000
2002-07-01	212399950.100000020
2002-10-01	179386388.700000000
2003-01-01	-274467844.860000000
2003-04-01	310116067.400000040
2003-07-01	-63241113.220000006
2003-10-01	-296375600.599999960
2004-01-01	53231811.804000005
2004-04-01	359589326.400000000
2004-07-01	-306056654.770000040
2004-10-01	-162235920.800000000
2005-01-01	-40459776.440000000
2005-04-01	250449805.722000000
2005-07-01	-337246841.780000030
2005-10-01	-183221323.299999980
2006-01-01	97663108.300000010
2006-04-01	118171537.000000000
2006-07-01	-241470178.780000000
2006-10-01	-313815603.510000000
2007-01-01	-9521452.529999990
2007-04-01	243999236.790000000
2007-07-01	-252723017.400000000
2007-10-01	-645611672.900000000
2008-01-01	-316639222.000000000
2008-04-01	366659717.400000000
2008-07-01	66327714.000000000
2008-10-01	-270948076.890000000
2009-01-01	344573374.469999970
2009-04-01	522848526.099999960
2009-07-01	-133197683.070000010
2009-10-01	-306932451.000000000
2010-01-01	597210434.500000000
2010-04-01	10118085.780000000
2010-07-01	-527888587.110000000
2010-10-01	-464116623.800000000
2011-01-01	94763079.050000000
2011-04-01	61732525.952000000
2011-07-01	-319643541.700000000
2011-10-01	-276721175.400000000
2012-01-01	318023986.600000000
2012-04-01	30816539.000000097
2012-07-01	270750269.400000000
2012-10-01	-812392885.880000000
2013-01-01	90623889.050000000
2013-04-01	142105606.600000000
2013-07-01	521198486.300000000
2013-10-01	312359507.000000000
2014-01-01	150274794.460000000
2014-04-01	-15512092.820000000
2014-07-01	-101900096.220000000
2014-10-01	468984117.289999960
2015-01-01	-410557143.920000000
2015-04-01	512566079.744000000
2015-07-01	-284778242.300000000
2015-10-01	33227613.900000002
2016-01-01	286373918.530000030
2016-04-01	657024197.500000000
2016-07-01	199798215.530000000
2016-10-01	61469802.900000000
2017-01-01	844692850.110000000
2017-04-01	588050044.357000000
2017-07-01	157622301.280000000
2017-10-01	-169259211.500000000
2018-01-01	-1015376555.270000000
2018-04-01	83751814.140000000