Quarter	US Dollars, sum over component sub-periods
2000-01-01	322113672.80000000
2000-04-01	333973440.50000000
2000-07-01	344816904.59999996
2000-10-01	347016205.80000000
2001-01-01	298390685.90000000
2001-04-01	297594008.80000000
2001-07-01	284137570.80000000
2001-10-01	307532440.20000000
2002-01-01	286864379.20000000
2002-04-01	276052138.50000000
2002-07-01	283760249.90000004
2002-10-01	337761359.29999995
2003-01-01	299452433.30000000
2003-04-01	303159994.50000000
2003-07-01	330645569.29999995
2003-10-01	357590834.50000000
2004-01-01	325460796.80000000
2004-04-01	349060916.40000000
2004-07-01	361305813.60000000
2004-10-01	399995318.60000000
2005-01-01	362781579.70000000
2005-04-01	356042522.00000000
2005-07-01	399263141.20000000
2005-10-01	393577195.90000000
2006-01-01	388619043.50000000
2006-04-01	401196098.80000000
2006-07-01	410951883.09999996
2006-10-01	466049849.80000000
2007-01-01	477072300.20000000
2007-04-01	455373368.59999996
2007-07-01	470255430.80000000
2007-10-01	533257205.79999995
2008-01-01	427102844.30000000
2008-04-01	462492988.09999996
2008-07-01	454986128.90000000
2008-10-01	522067778.60000000
2009-01-01	339447599.09999996
2009-04-01	344584814.00000000
2009-07-01	378869531.20000000
2009-10-01	412981427.50000000
2010-01-01	468907896.10000000
2010-04-01	443358109.20000000
2010-07-01	471645002.30000000
2010-10-01	505426750.00000000
2011-01-01	462648178.00000000
2011-04-01	475649856.60000000
2011-07-01	485983010.40000004
2011-10-01	525166609.00000000
2012-01-01	552999372.80000000
2012-04-01	523106221.49999994
2012-07-01	557378134.10000000
2012-10-01	590763383.30000000
2013-01-01	579789686.90000000
2013-04-01	570435461.80000000
2013-07-01	592650807.69999990
2013-10-01	642688004.00000000
2014-01-01	594877016.90000000
2014-04-01	642016446.90000000
2014-07-01	655742488.50000000
2014-10-01	674147670.90000000
2015-01-01	747678799.19999990
2015-04-01	748668180.90000010
2015-07-01	745079712.00000000
2015-10-01	842530164.00000000
2016-01-01	824411714.20000000
2016-04-01	838081284.30000000
2016-07-01	833016581.50000000
2016-10-01	915354369.50000000
2017-01-01	916073434.70000000
2017-04-01	908815669.60000000
2017-07-01	890776463.10000000
2017-10-01	941066796.50000000
2018-01-01	954837562.50000000
2018-04-01	917086708.70000000