Quarter	US Dollars, sum over component sub-periods
2005-01-01	553803371126.9130
2005-04-01	593132769943.0759
2005-07-01	572910709683.3370
2005-10-01	615707571477.4110
2006-01-01	656213215016.6339
2006-04-01	750427410826.7510
2006-07-01	746722766722.9480
2006-10-01	815512655145.0800
2007-01-01	849265742200.5220
2007-04-01	973273338256.7000
2007-07-01	956761418196.9670
2007-10-01	1018022230954.3500
2008-01-01	964412497155.1799
2008-04-01	1010052095136.4501
2008-07-01	897422340038.9761
2008-10-01	768244471351.2009
2009-01-01	653559232309.5560
2009-04-01	687797938982.2150
2009-07-01	646285001723.2991
2009-10-01	695789201255.8200
2010-01-01	702737737774.4700
2010-04-01	735348232000.1920
2010-07-01	706797318048.4960
2010-10-01	765941599362.1271
2011-01-01	766423741983.4220
2011-04-01	893855219421.7280
2011-07-01	814859002901.6791
2011-10-01	812357214230.8619
2012-01-01	776789547704.0920
2012-04-01	830068680657.1500
2012-07-01	752679924882.3300
2012-10-01	789740583102.6970
2013-01-01	757019831652.4150
2013-04-01	836071778508.8099
2013-07-01	781466531454.8760
2013-10-01	816867503356.7290
2014-01-01	798926900284.1011
2014-04-01	867197716148.9570
2014-07-01	802401764324.8140
2014-10-01	810809179356.3290
2015-01-01	726729803028.2220
2015-04-01	785445582158.3570
2015-07-01	721587280573.0809
2015-10-01	733117331586.1350
2016-01-01	698193333022.8280
2016-04-01	786666937105.8450
2016-07-01	728132239848.8860
2016-10-01	764608972406.8560
2017-01-01	724705837369.6600
2017-04-01	818048141306.3800
2017-07-01	819360770297.7069
2017-10-01	842094783452.4869
2018-01-01	848298509533.2020
2018-04-01	944015895183.6570