Quarter	US Dollars, sum over component sub-periods
2005-01-01	82391785541.85740
2005-04-01	80363113369.58911
2005-07-01	80750186016.82770
2005-10-01	81195741363.31070
2006-01-01	84192350879.38340
2006-04-01	89729828529.46100
2006-07-01	84333200446.16290
2006-10-01	91228432013.84660
2007-01-01	86985911913.21490
2007-04-01	94412466008.71231
2007-07-01	92269828699.45140
2007-10-01	102927541403.26900
2008-01-01	109871713876.04000
2008-04-01	115455043846.21000
2008-07-01	100033245197.40800
2008-10-01	107165232192.03600
2009-01-01	103664131319.17499
2009-04-01	97757941751.72409
2009-07-01	90128033275.22360
2009-10-01	100257318391.00500
2010-01-01	96775239242.11661
2010-04-01	99289660188.53830
2010-07-01	95279387036.78700
2010-10-01	104085666720.71300
2011-01-01	107456517375.82700
2011-04-01	120695401826.72400
2011-07-01	112215006049.56000
2011-10-01	108591779626.11000
2012-01-01	112214043598.02501
2012-04-01	116810251089.48200
2012-07-01	109843601636.28899
2012-10-01	117508506495.75299
2013-01-01	126227961370.43300
2013-04-01	125288728989.24199
2013-07-01	122022448075.19900
2013-10-01	128934922819.82900
2014-01-01	136956471556.03499
2014-04-01	150625977747.58300
2014-07-01	124493702795.44600
2014-10-01	125906900020.62401
2015-01-01	127218182168.45300
2015-04-01	133120767239.26701
2015-07-01	120446977203.61200
2015-10-01	125309444358.93200
2016-01-01	126525161795.03500
2016-04-01	136646876756.39600
2016-07-01	123661269741.13300
2016-10-01	132450350951.26100
2017-01-01	136379180729.50800
2017-04-01	140077307667.81600
2017-07-01	143283050615.28100
2017-10-01	145557784337.31500
2018-01-01	140096076626.20898
2018-04-01	149168828727.24200