Quarterly US Dollars, sum over component sub-periods
1999-01-01 82968451834.823610
1999-04-01 5005780757.961850
1999-07-01 37932857603.364800
1999-10-01 -34049583267.824097
2000-01-01 41907222396.962900
2000-04-01 -48401085903.977700
2000-07-01 -7300800559.371550
2000-10-01 -43328157156.554300
2001-01-01 -44148704988.126900
2001-04-01 -2495516257.639820
2001-07-01 56329091996.859700
2001-10-01 -12227341241.585000
2002-01-01 -19158882641.398400
2002-04-01 10886463599.304900
2002-07-01 -19933784792.122902
2002-10-01 -47391229901.693600
2003-01-01 -25996737011.735800
2003-04-01 46919630633.589096
2003-07-01 -5690288749.006500
2003-10-01 -113043089985.536990
2004-01-01 -7733110454.200439
2004-04-01 -4768742173.299740
2004-07-01 81713480102.057500
2004-10-01 -6892733389.071760
2005-01-01 54983279085.143900
2005-04-01 70942269647.462700
2005-07-01 -101541579154.031000
2005-10-01 -88492266141.875200
2006-01-01 19630064276.117600
2006-04-01 53790461683.196910
2006-07-01 -47241496518.120300
2006-10-01 -83734886363.175400
2007-01-01 -71166819398.699890
2007-04-01 85357354041.355300
2007-07-01 42176569680.423004
2007-10-01 49819283354.491300
2008-01-01 19070212204.269100
2008-04-01 33339003608.959000
2008-07-01 -27583680460.632600
2008-10-01 -93500512170.048800
2009-01-01 56449437181.875404
2009-04-01 86799436760.228790
2009-07-01 76780863373.338000
2009-10-01 -129682545884.212000
2010-01-01 14014554167.249900
2010-04-01 89375454203.714100
2010-07-01 -89970267228.542800
2010-10-01 -108766421160.970000
2011-01-01 -43603070489.209400
2011-04-01 -36074500356.998700
2011-07-01 -57317562025.284300
2011-10-01 -35622535843.689804
2012-01-01 -168655208665.892000
2012-04-01 58899844403.834300
2012-07-01 116635681916.671000
2012-10-01 -100507657777.855000
2013-01-01 36554352335.471800
2013-04-01 75195665763.433990
2013-07-01 -7669127252.984720
2013-10-01 -125045048489.994000
2014-01-01 -36196486709.154100
2014-04-01 43736779540.127304
2014-07-01 80115231141.308400
2014-10-01 73724307899.594100
2015-01-01 -35542533418.244290
2015-04-01 12572587512.718300
2015-07-01 89552321984.067600
2015-10-01 41821552295.800600
2016-01-01 -8644251226.083730
2016-04-01 132258464063.657010
2016-07-01 -19056211906.612800
2016-10-01 24306753663.710800
2017-01-01 372385666.441354
2017-04-01 51807021734.396805
2017-07-01 -12098939172.357800
2017-10-01 50914099678.273400
2018-01-01 -33634931169.679703