Quarter	US Dollars, sum over component sub-periods
2008-01-01	1753234283639.540000
2008-04-01	229126663352.837000
2008-07-01	451391590374.755000
2008-10-01	-1211333520951.530000
2009-01-01	-257704072443.257000
2009-04-01	65496260332.361496
2009-07-01	800018495768.511000
2009-10-01	284947501611.683000
2010-01-01	855981109810.738000
2010-04-01	847013029122.546000
2010-07-01	1315097231597.130000
2010-10-01	651275716536.538000
2011-01-01	1366596004791.650000
2011-04-01	800879078292.347900
2011-07-01	786092431406.487900
2011-10-01	265261083400.813960
2012-01-01	720481695205.742100
2012-04-01	125097806086.284010
2012-07-01	854074104500.594000
2012-10-01	603666199908.162000
2013-01-01	1064636228553.930000
2013-04-01	834270599399.962000
2013-07-01	482285763872.195000
2013-10-01	1216529281461.010000
2014-01-01	944281817700.564100
2014-04-01	1107550740588.010000
2014-07-01	1025661825205.120000
2014-10-01	509185528229.862000
2015-01-01	1084325688975.710000
2015-04-01	457270035364.514000
2015-07-01	193855990075.074000
2015-10-01	304234226125.142000
2016-01-01	554312001886.231000
2016-04-01	1181538428917.820000
2016-07-01	728315751648.548000
2016-10-01	83913758046.548690
2017-01-01	1168768251810.720000
2017-04-01	880417536955.149000
2017-07-01	1117408936676.430000
2017-10-01	654356838908.858000