Quarter	US Dollars, sum over component sub-periods
2000-01-01	154593096.40086500
2000-04-01	177255876.14920202
2000-07-01	196693099.82803700
2000-10-01	194553038.62804800
2001-01-01	163583689.62634000
2001-04-01	181797880.11433700
2001-07-01	185281308.64857998
2001-10-01	180912470.30361400
2002-01-01	149268106.20701500
2002-04-01	180560814.96042300
2002-07-01	217710129.29960600
2002-10-01	193764265.11341700
2003-01-01	189925368.28961098
2003-04-01	244080272.29899400
2003-07-01	269257932.33501500
2003-10-01	275286043.35293700
2004-01-01	236298806.20964098
2004-04-01	290001285.25746600
2004-07-01	334054387.93833000
2004-10-01	367314543.38099897
2005-01-01	342863259.97308300
2005-04-01	400905893.34420000
2005-07-01	423635763.57337797
2005-10-01	436625213.82445900
2006-01-01	378735047.92054600
2006-04-01	462959849.99980400
2006-07-01	585138828.37479010
2006-10-01	616976814.92924700
2007-01-01	566262967.83486390
2007-04-01	661658118.34398700
2007-07-01	764474342.05539800
2007-10-01	820951520.65052900
2008-01-01	766096759.77240800
2008-04-01	833296452.97338090
2008-07-01	919361359.04517300
2008-10-01	794905862.17253200
2009-01-01	537466558.16491100
2009-04-01	571749727.79699400
2009-07-01	644411637.22943200
2009-10-01	650470677.10785000
2010-01-01	519415648.43847200
2010-04-01	525381483.16111700
2010-07-01	616411955.70941210
2010-10-01	656288584.00243600
2011-01-01	559550080.97417600
2011-04-01	686399484.00947700
2011-07-01	796347749.87282600
2011-10-01	753352415.46377700
2012-01-01	610716056.67383700
2012-04-01	692736402.41821000
2012-07-01	736044729.69898400
2012-10-01	714474176.84043700
2013-01-01	624783157.53540900
2013-04-01	675036539.45368790
2013-07-01	755133421.50812900
2013-10-01	771171206.59069990
2014-01-01	637278972.41723500
2014-04-01	681515099.31873390
2014-07-01	732461163.79754400
2014-10-01	688002246.25431600
2015-01-01	563990510.71382400
2015-04-01	607220207.80817500
2015-07-01	694810891.06302800
2015-10-01	657658378.39306090
2016-01-01	599560880.61797400
2016-04-01	685434971.65643900
2016-07-01	709694680.23415800
2016-10-01	696070944.32533300
2017-01-01	608433103.59248400
2017-04-01	728052340.96134400
2017-07-01	816270966.41001500
2017-10-01	839570020.54224410
2018-01-01	790168308.11471400
2018-04-01	827889136.02994000