Quarterly US Dollars, sum over component sub-periods
1999-01-01 40501122682.470300
1999-04-01 -36465511195.562805
1999-07-01 -22156704523.700500
1999-10-01 -89919084930.903700
2000-01-01 -17788493169.179300
2000-04-01 -120841855482.928010
2000-07-01 -91774192229.738600
2000-10-01 -137418719982.111010
2001-01-01 -108213684513.652000
2001-04-01 -93438492888.893390
2001-07-01 -23445103130.885200
2001-10-01 -72989653144.931700
2002-01-01 -67850562788.256500
2002-04-01 -86094336165.206510
2002-07-01 -102662373784.892000
2002-10-01 -142582279549.775000
2003-01-01 -120630424395.799000
2003-04-01 -72348131473.996400
2003-07-01 -99864723313.309900
2003-10-01 -174304287978.725000
2004-01-01 -57005569345.305700
2004-04-01 -96977774760.042400
2004-07-01 -19770562257.860100
2004-10-01 -113882692719.453000
2005-01-01 -36695611741.972600
2005-04-01 -48968018627.900900
2005-07-01 -223757515005.341000
2005-10-01 -238293183824.153000
2006-01-01 -103809945514.179000
2006-04-01 -110675055582.430000
2006-07-01 -213018624289.035000
2006-10-01 -190875637871.919980
2007-01-01 -167779224281.780030
2007-04-01 -32684715331.808598
2007-07-01 -59706097017.056900
2007-10-01 -39175963246.088005
2008-01-01 -66896097988.469000
2008-04-01 -111794768377.326000
2008-07-01 -183414197081.772000
2008-10-01 -248143076893.748000
2009-01-01 -18873413309.065700
2009-04-01 9749641026.294040
2009-07-01 33039893138.075500
2009-10-01 -153851674309.030000
2010-01-01 -29318857261.594500
2010-04-01 873218746.548859
2010-07-01 -175444126757.505980
2010-10-01 -148014208388.999000
2011-01-01 -102882371443.538000
2011-04-01 -134615965276.717990
2011-07-01 -126996996266.741000
2011-10-01 -86773576555.825410
2012-01-01 -240351352836.329000
2012-04-01 -47526639415.187600
2012-07-01 30990561378.781800
2012-10-01 -151635872036.469000
2013-01-01 -40468882010.808700
2013-04-01 17645672401.950400
2013-07-01 -95189171647.369110
2013-10-01 -165921753098.751000
2014-01-01 -102145192796.631000
2014-04-01 -29730469542.967598
2014-07-01 23806715703.005400
2014-10-01 45104290577.837000
2015-01-01 -82053834483.850890
2015-04-01 -25656541580.596200
2015-07-01 46617990249.718000
2015-10-01 17396074151.302002
2016-01-01 -48205126103.248100
2016-04-01 104915916392.702000
2016-07-01 -65676044155.206200
2016-10-01 28539577654.248600
2017-01-01 -6929714120.291630
2017-04-01 -14006369702.598300
2017-07-01 12465688800.578500
2017-10-01 53388789312.107900
2018-01-01 -43970090693.177200