Quarter US Dollars, sum over component sub-periods 2004-01-01 17354694070.897300 2004-04-01 20615261289.927800 2004-07-01 20387268237.559100 2004-10-01 22728477260.261900 2005-01-01 21812051320.195500 2005-04-01 23065138288.791700 2005-07-01 23146067287.156500 2005-10-01 25257112211.032800 2006-01-01 25752853651.495200 2006-04-01 28297108928.820198 2006-07-01 29991802143.456303 2006-10-01 34059150621.753000 2007-01-01 34576620545.315200 2007-04-01 37567712592.537400 2007-07-01 39251459438.865200 2007-10-01 46202598313.918600 2008-01-01 49446387888.140200 2008-04-01 55614654942.342400 2008-07-01 54118021133.140396 2008-10-01 41586263196.099600 2009-01-01 31480951510.470802 2009-04-01 33524244512.909100 2009-07-01 37854519149.168400 2009-10-01 41272160983.793300 2010-01-01 40362364153.228004 2010-04-01 40467164831.552605 2010-07-01 43006325769.289500 2010-10-01 47253425631.539700 2011-01-01 48336215483.311500 2011-04-01 54082476067.353200 2011-07-01 51124416113.118400 2011-10-01 49458488596.206300 2012-01-01 49171208438.905800 2012-04-01 47085427343.715000 2012-07-01 45703190502.698200 2012-10-01 50104623443.356895 2013-01-01 48535707206.896200 2013-04-01 47204927401.259200 2013-07-01 49870209944.369896 2013-10-01 52981739861.235400 2014-01-01 54105144411.175600 2014-04-01 54868222536.365800 2014-07-01 53162576950.501700 2014-10-01 52779685596.242300 2015-01-01 46168663230.466805 2015-04-01 47086096247.822495 2015-07-01 47602012520.744700 2015-10-01 47671593397.078896 2016-01-01 46201763179.301506 2016-04-01 48743875867.319300 2016-07-01 48610400527.815900 2016-10-01 49464118110.286606 2017-01-01 52174098161.501495 2017-04-01 54259890774.551506 2017-07-01 57416396913.896996 2017-10-01 62660192652.159800 2018-01-01 65662399930.490890 2018-04-01 63040837221.781600