Quarter	US Dollars, sum over component sub-periods
2006-01-01	66232040641.650190
2006-04-01	70130442771.366200
2006-07-01	65965233925.472496
2006-10-01	73944428193.662000
2007-01-01	67787392065.032900
2007-04-01	77156650572.242510
2007-07-01	78274640325.864800
2007-10-01	86950361388.739500
2008-01-01	92054603373.233400
2008-04-01	97938460296.506300
2008-07-01	90899789300.046500
2008-10-01	91251500813.188600
2009-01-01	79923751953.534790
2009-04-01	87063791705.284500
2009-07-01	81961702179.374300
2009-10-01	85674193053.220400
2010-01-01	82899260603.780800
2010-04-01	88943478981.297300
2010-07-01	88707776236.715000
2010-10-01	95181982291.064710
2011-01-01	94009534326.003890
2011-04-01	106010534168.269990
2011-07-01	101949294607.536000
2011-10-01	101529666844.281000
2012-01-01	100538297569.055000
2012-04-01	106772740056.831000
2012-07-01	102137340630.855990
2012-10-01	108625296750.498000
2013-01-01	107092927190.769000
2013-04-01	114497593631.464000
2013-07-01	110978832544.368000
2013-10-01	115285663554.798000
2014-01-01	113945722540.136000
2014-04-01	128372504592.362990
2014-07-01	108498329421.721010
2014-10-01	108081359449.350000
2015-01-01	106225726261.004000
2015-04-01	113157809300.890000
2015-07-01	106364727928.959990
2015-10-01	105810695788.817000
2016-01-01	102515393465.053000
2016-04-01	111635627338.655000
2016-07-01	104219602427.565000
2016-10-01	110314826186.732000
2017-01-01	111276371256.935000
2017-04-01	113976796262.463000
2017-07-01	119234238954.668000
2017-10-01	117761963781.873000