Quarter	US Dollars, sum over component sub-periods
2004-01-01	-845244496.59032600
2004-04-01	-136084446.85249400
2004-07-01	747938737.90166400
2004-10-01	1273751476.55539000
2005-01-01	3969661411.50599000
2005-04-01	-182685376.27768000
2005-07-01	777835650.39939900
2005-10-01	856802465.81885600
2006-01-01	-380887895.76011400
2006-04-01	674548070.98346000
2006-07-01	-3062573478.94346000
2006-10-01	-247652403.06840500
2007-01-01	2717620794.53651000
2007-04-01	127930295.46836400
2007-07-01	947702111.04576500
2007-10-01	2487524214.16219040
2008-01-01	-64917122.63254970
2008-04-01	2251845451.25548000
2008-07-01	297183935.85011100
2008-10-01	495223704.53339500
2009-01-01	2496212143.61328030
2009-04-01	2054037446.19891000
2009-07-01	1853829163.30577000
2009-10-01	-1329752438.13093000
2010-01-01	-191651922.94386798
2010-04-01	953650198.16658100
2010-07-01	628337575.87624800
2010-10-01	-1437266582.02041980
2011-01-01	677460230.98184900
2011-04-01	1039172559.89282990
2011-07-01	82035118.83301010
2011-10-01	-1245873881.96593000
2012-01-01	-1511138760.70724990
2012-04-01	-3485435690.30244000
2012-07-01	-3889314403.96231000
2012-10-01	373897211.98586196
2013-01-01	1342585853.55075000
2013-04-01	1899983141.73076000
2013-07-01	409038439.21764900
2013-10-01	-4336236009.12512000
2014-01-01	4890465129.40572100
2014-04-01	-1474102075.99123000
2014-07-01	2614740657.23821000
2014-10-01	-2195363973.43799970
2015-01-01	-1544500959.47977000
2015-04-01	313564533.54028700
2015-07-01	527166919.26734096
2015-10-01	383871146.65604997
2016-01-01	-377260458.52119900
2016-04-01	1759546577.98197980
2016-07-01	1970072260.93303010
2016-10-01	730443487.86090200
2017-01-01	2034894392.17262000
2017-04-01	266805888.09248000
2017-07-01	776103387.91904700
2017-10-01	13380367541.97140000
2018-01-01	1256035812.94563980
2018-04-01	1418370639.23863000