Quarter	US Dollars, sum over component sub-periods
2004-01-01	6612040000.000000
2004-04-01	4855610000.000000
2004-07-01	4403210000.000000
2004-10-01	5209420000.000000
2005-01-01	5547920000.000000
2005-04-01	4416740000.000000
2005-07-01	5622940000.000000
2005-10-01	6793780000.000000
2006-01-01	5329320000.000000
2006-04-01	5252600000.000000
2006-07-01	5186370000.000000
2006-10-01	5997520000.000000
2007-01-01	6431950000.000000
2007-04-01	6163580000.000000
2007-07-01	5902960000.000000
2007-10-01	6400380000.000000
2008-01-01	7113660000.000000
2008-04-01	7254010000.000000
2008-07-01	7293560000.000000
2008-10-01	7028490000.000000
2009-01-01	4690800000.000000
2009-04-01	5602940000.000000
2009-07-01	5920260000.000000
2009-10-01	7084030000.000000
2010-01-01	6057990000.000000
2010-04-01	6379420000.000000
2010-07-01	6581140000.000000
2010-10-01	7442450000.000000
2011-01-01	6384470000.000000
2011-04-01	7749920000.000000
2011-07-01	8039220000.000000
2011-10-01	9517820000.000000
2012-01-01	8141740000.000000
2012-04-01	8709000000.000000
2012-07-01	7946780000.000000
2012-10-01	9426910000.000000
2013-01-01	8335180000.000000
2013-04-01	9063470000.000000
2013-07-01	8425070000.000000
2013-10-01	9190840000.000000
2014-01-01	8018130000.000000
2014-04-01	8551870000.000001
2014-07-01	8183460000.000000
2014-10-01	8787160000.000000
2015-01-01	7397110000.000000
2015-04-01	7915400000.000000
2015-07-01	7700640000.000000
2015-10-01	7904410000.000000
2016-01-01	6944560000.000000
2016-04-01	7757790000.000000
2016-07-01	7524910000.000000
2016-10-01	8179950000.000000
2017-01-01	7053840000.000000
2017-04-01	7774480000.000000
2017-07-01	8597900000.000000
2017-10-01	9202270000.000000
2018-01-01	8418030000.000001
2018-04-01	8278209999.999999