Quarter	US Dollars, sum over component sub-periods
2005-01-01	2815589015813.4200
2005-04-01	2985976905911.1700
2005-07-01	2967209596214.0200
2005-10-01	3086817701563.6700
2006-01-01	3156490389818.0996
2006-04-01	3466866157154.9697
2006-07-01	3472127398699.5300
2006-10-01	3618894683848.9500
2007-01-01	3674232160525.6200
2007-04-01	4010336375146.5303
2007-07-01	4046306480568.3400
2007-10-01	4354675117412.9700
2008-01-01	4367109320408.2603
2008-04-01	4755939991285.6900
2008-07-01	4540192316620.3400
2008-10-01	3828051794000.5703
2009-01-01	3147631809095.9897
2009-04-01	3262946880159.5000
2009-07-01	3407520372011.6300
2009-10-01	3659038994162.5600
2010-01-01	3572958148281.8003
2010-04-01	3726201198713.0303
2010-07-01	3795163274612.4100
2010-10-01	4079049457290.1200
2011-01-01	4170389915576.7000
2011-04-01	4570117489282.6600
2011-07-01	4466623684463.0100
2011-10-01	4358448410876.0900
2012-01-01	4305130449604.7300
2012-04-01	4376381685477.6500
2012-07-01	4218828137773.5000
2012-10-01	4335406446483.2300
2013-01-01	4260983005139.5605
2013-04-01	4425202062661.2400
2013-07-01	4384876963968.3003
2013-10-01	4501545092644.0390
2014-01-01	4464019950147.8990
2014-04-01	4684080384413.9390
2014-07-01	4512979217723.2400
2014-10-01	4400916875101.3800
2015-01-01	4003160172383.1396
2015-04-01	4187689419089.4100
2015-07-01	4034177676477.4800
2015-10-01	4047323038762.6400
2016-01-01	3836898487674.0500
2016-04-01	4166233503641.1997
2016-07-01	4075999487659.6400
2016-10-01	4121395389489.6900
2017-01-01	4064777599314.9400
2017-04-01	4378292209729.2400
2017-07-01	4437689378270.8190
2017-10-01	4624935831573.4200
2018-01-01	4660708517116.4100
2018-04-01	4864914791894.7200