Quarter	US Dollars, sum over component sub-periods
2004-01-01	5108620.5837876800
2004-04-01	15482661.6179484000
2004-07-01	109528468.8111250000
2004-10-01	3154314.1347912500
2005-01-01	-2582464.6826003697
2005-04-01	8885285.5378240900
2005-07-01	-285200.0673671710
2005-10-01	-9866492.2734164800
2006-01-01	-5218966.3463705005
2006-04-01	5821126.0403274300
2006-07-01	-11454367.4286105000
2006-10-01	-6374996.4140645200
2007-01-01	159488561.9237450000
2007-04-01	55721285.7966628000
2007-07-01	58784643.2989376040
2007-10-01	349426417.7327030000
2008-01-01	199388305.2285460000
2008-04-01	603119373.2568080000
2008-07-01	123627321.4024350000
2008-10-01	129381594.6529169800
2009-01-01	343609729.5571080000
2009-04-01	208086535.6886519800
2009-07-01	11729474.6443729000
2009-10-01	95098342.0495638000
2010-01-01	543820979.9057060000
2010-04-01	18424953.8619792000
2010-07-01	401918934.7953790400
2010-10-01	432713746.6692900000
2011-01-01	76974795.1650416000
2011-04-01	563628773.4820399000
2011-07-01	281122068.1523640000
2011-10-01	325110162.9916500000
2012-01-01	46555086.3534735000
2012-04-01	653871839.0306150000
2012-07-01	355007398.8623619700
2012-10-01	763368066.9562100000
2013-01-01	324991543.7145450000
2013-04-01	308479528.5103140500
2013-07-01	327575149.0237190000
2013-10-01	712815242.0047790000
2014-01-01	20968533.9311477000
2014-04-01	155500628.2952599800
2014-07-01	170466097.2527009800
2014-10-01	589858913.1225750000
2015-01-01	250699973.5248880000
2015-04-01	364663939.0061120000
2015-07-01	940607191.8854850000
2015-10-01	1573237022.6550798000
2016-01-01	674616204.0923930000
2016-04-01	549364272.9997650000
2016-07-01	143501157.0410580000
2016-10-01	488973675.7505200000
2017-01-01	18753804.9443568030
2017-04-01	414615910.1849340000
2017-07-01	97835066.9092867000
2017-10-01	389522808.9696700000
2018-01-01	114531393.9600180000
2018-04-01	502927760.0458140400