Quarter	US Dollars, sum over component sub-periods
2005-01-01	498357348872.5500
2005-04-01	575941616163.9240
2005-07-01	537675264513.6670
2005-10-01	579859981002.7369
2006-01-01	608292340071.7860
2006-04-01	744216930577.9100
2006-07-01	710459860656.0550
2006-10-01	767467400473.0599
2007-01-01	815252136075.0399
2007-04-01	997932160829.3660
2007-07-01	923099152915.8960
2007-10-01	975274106524.5659
2008-01-01	907421403254.9930
2008-04-01	1054828196736.4501
2008-07-01	885172561027.9900
2008-10-01	763942779467.1631
2009-01-01	612947921741.3739
2009-04-01	691300873548.8000
2009-07-01	590071525607.5339
2009-10-01	628751694690.2040
2010-01-01	619692571583.7740
2010-04-01	692223970301.4760
2010-07-01	625413294480.8580
2010-10-01	682025834036.8721
2011-01-01	678736212247.4030
2011-04-01	842619922392.7660
2011-07-01	715734914009.9270
2011-10-01	692530762003.7981
2012-01-01	683425945931.4120
2012-04-01	769602473021.0171
2012-07-01	658709422565.2471
2012-10-01	693481904011.1520
2013-01-01	682688263291.1120
2013-04-01	785881483057.1969
2013-07-01	690982790489.9040
2013-10-01	718602109331.5090
2014-01-01	718128661061.1050
2014-04-01	845585351629.8790
2014-07-01	714614732548.0740
2014-10-01	697416090723.8780
2015-01-01	646459475513.0180
2015-04-01	760960143174.2790
2015-07-01	648384634988.4610
2015-10-01	657652395762.9850
2016-01-01	633311941722.6020
2016-04-01	775460723118.4780
2016-07-01	658716472003.0270
2016-10-01	664759485193.6770
2017-01-01	637045415882.7471
2017-04-01	797832872689.0210
2017-07-01	714804001804.2190
2017-10-01	749855629718.7080
2018-01-01	756378710950.8280
2018-04-01	903604400538.1940