Quarter	US Dollars, sum over component sub-periods
2004-01-01	7802256.8916030100
2004-04-01	15301577.8563349000
2004-07-01	112011481.9579770000
2004-10-01	2168590.9676689897
2005-01-01	-4441839.2540726400
2005-04-01	8201802.0349145390
2005-07-01	-2471733.9171821503
2005-10-01	-11355774.1260077000
2006-01-01	-6378736.6455639400
2006-04-01	3813841.1988352197
2006-07-01	-12974858.6801960000
2006-10-01	-12101688.1080547010
2007-01-01	161555368.3417640000
2007-04-01	53675363.8559646000
2007-07-01	43133386.0684028000
2007-10-01	313242822.3263630000
2008-01-01	198979163.6993490000
2008-04-01	607015299.6430631000
2008-07-01	127962499.5410940000
2008-10-01	154814468.6018280000
2009-01-01	343479623.6390620500
2009-04-01	207541806.5376340000
2009-07-01	10585135.6546780000
2009-10-01	93769327.9525978100
2010-01-01	543820979.9057060000
2010-04-01	17027198.7414153000
2010-07-01	400238887.8010570000
2010-10-01	431084962.1774350000
2011-01-01	75607569.6736554000
2011-04-01	562765195.1774200000
2011-07-01	280274889.6446220000
2011-10-01	324167033.6336140000
2012-01-01	45374816.5585967000
2012-04-01	653615368.4132270000
2012-07-01	355007398.8623619700
2012-10-01	761161800.8667411000
2013-01-01	232758864.4386750200
2013-04-01	298423252.6020610000
2013-07-01	229289358.2531570000
2013-10-01	661773478.4470560000
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	917261545.9457670000
2015-10-01	1545880184.9515400000
2016-01-01	659186328.4882541000
2016-04-01	538185020.5790100000
2016-07-01	131896086.7982349800
2016-10-01	471733528.5226480000
2017-01-01	5008118.3658225500
2017-04-01	412196400.8947310400
2017-07-01	96190780.0704751000
2017-10-01	386814518.5808230000
2018-01-01	112319414.2483429900
2018-04-01	500426224.5268750000