Quarter	US Dollars, sum over component sub-periods
2000-01-01	136910662.200000000
2000-04-01	154077461.700000000
2000-07-01	-35215777.150000000
2000-10-01	-114032869.000000000
2001-01-01	98442644.970000000
2001-04-01	-4639985.191000000
2001-07-01	13777212.680000000
2001-10-01	-25584162.310000000
2002-01-01	-129361898.500000000
2002-04-01	-199619236.100000000
2002-07-01	150772126.799999980
2002-10-01	350410268.400000040
2003-01-01	-189091832.000000000
2003-04-01	130475760.300000000
2003-07-01	60313811.980000000
2003-10-01	23802754.000000000
2004-01-01	50019399.180000000
2004-04-01	157633105.900000000
2004-07-01	-99867191.570000010
2004-10-01	-13331941.200000000
2005-01-01	-98819688.200000000
2005-04-01	260113803.800000040
2005-07-01	-293880877.300000000
2005-10-01	239259518.899999980
2006-01-01	147465913.800000000
2006-04-01	190623132.500000000
2006-07-01	43800043.720000000
2006-10-01	-324962809.100000000
2007-01-01	33575311.380000000
2007-04-01	195202384.600000000
2007-07-01	17439966.600000000
2007-10-01	-107440795.200000000
2008-01-01	-131707423.699999990
2008-04-01	575591852.000000000
2008-07-01	223329578.800000000
2008-10-01	71880941.910000010
2009-01-01	-74147709.830000000
2009-04-01	350183787.100000000
2009-07-01	-185074093.500000000
2009-10-01	106026777.900000000
2010-01-01	357822794.400000040
2010-04-01	58155572.739999995
2010-07-01	-42953029.410000000
2010-10-01	126721157.100000000
2011-01-01	16680503.970000000
2011-04-01	64197071.609999990
2011-07-01	-62482315.000000000
2011-10-01	559866291.500000000
2012-01-01	506032237.700000000
2012-04-01	-309715665.200000000
2012-07-01	632849137.100000000
2012-10-01	31433211.620000000
2013-01-01	116941684.800000000
2013-04-01	356272041.300000000
2013-07-01	416130322.600000000
2013-10-01	780642694.100000000
2014-01-01	219506724.000000000
2014-04-01	93164033.280000000
2014-07-01	-53272306.860000000
2014-10-01	503647537.600000000
2015-01-01	-427913335.200000000
2015-04-01	513401918.199999900
2015-07-01	-54212704.500000000
2015-10-01	327410381.300000000
2016-01-01	228332078.800000000
2016-04-01	339934751.700000000
2016-07-01	133526565.100000000
2016-10-01	292854189.900000000
2017-01-01	822502659.600000000
2017-04-01	587543937.100000000
2017-07-01	82109330.840000000
2017-10-01	123704493.600000010
2018-01-01	-26964589.970000000
2018-04-01	71184328.570000010