Quarterly US Dollars, sum over component sub-periods
2002-01-01 13050380930.974200
2002-04-01 13117657831.531900
2002-07-01 11939418129.861300
2002-10-01 12514741504.591400
2003-01-01 12745838168.879400
2003-04-01 12583520100.972000
2003-07-01 12215179741.579800
2003-10-01 15303452024.790400
2004-01-01 15258953807.248400
2004-04-01 14824769494.648201
2004-07-01 14473075344.146900
2004-10-01 17833155784.121300
2005-01-01 17709672184.808500
2005-04-01 17883188953.951202
2005-07-01 17589105305.499700
2005-10-01 18539020574.504700
2006-01-01 20664097533.265800
2006-04-01 20662436014.963600
2006-07-01 19603775606.609497
2006-10-01 22135010670.474102
2007-01-01 23489417406.230000
2007-04-01 24765688584.181000
2007-07-01 23143829593.571400
2007-10-01 26037779191.727700
2008-01-01 25901010327.479000
2008-04-01 25366261356.999000
2008-07-01 21888340868.747498
2008-10-01 20249559592.321900
2009-01-01 20347264523.073100
2009-04-01 20597571022.845898
2009-07-01 19506688503.086998
2009-10-01 20853707863.725800
2010-01-01 20018977395.154800
2010-04-01 20394517895.501200
2010-07-01 19511807323.281800
2010-10-01 22194903342.334400
2011-01-01 20233570047.024002
2011-04-01 22363799495.311398
2011-07-01 19620654239.303100
2011-10-01 20328479648.644900
2012-01-01 21554349276.216600
2012-04-01 20940825909.727300
2012-07-01 19007974581.315700
2012-10-01 22086021359.164900
2013-01-01 21654227462.035698
2013-04-01 21122097436.906500
2013-07-01 20267801678.980700
2013-10-01 22243320001.608000
2014-01-01 23638253153.231102
2014-04-01 24156076437.824600
2014-07-01 24221550275.525597
2014-10-01 25695822551.120800
2015-01-01 23274458700.615400
2015-04-01 23510150705.228703
2015-07-01 23494613394.761703
2015-10-01 26118120092.322100
2016-01-01 21185219204.482900
2016-04-01 26297215189.349500
2016-07-01 23538206894.432900
2016-10-01 24089873223.345900
2017-01-01 22303175641.496098
2017-04-01 24467837585.661602
2017-07-01 22916660570.636300
2017-10-01 26521228012.164000
2018-01-01 26306583159.893700
2018-04-01 27762279430.667297