Quarter	US Dollars, sum over component sub-periods, Seasonally Adjusted
2006-01-01	13933313691.485100
2006-04-01	15599983357.387000
2006-07-01	16495505600.752200
2006-10-01	17800351120.375700
2007-01-01	19192000274.133198
2007-04-01	19861438942.322900
2007-07-01	21130520522.946600
2007-10-01	22358427800.597298
2008-01-01	23309433952.458400
2008-04-01	24685976291.089798
2008-07-01	26397091731.396202
2008-10-01	27061108695.055500
2009-01-01	21415934914.700200
2009-04-01	21559424387.146400
2009-07-01	21789500623.398900
2009-10-01	22312713414.754500
2010-01-01	22827734523.975502
2010-04-01	23906587348.398100
2010-07-01	24521987674.474700
2010-10-01	26174826453.151703
2011-01-01	27365217918.660100
2011-04-01	29220552314.825900
2011-07-01	31140703730.680700
2011-10-01	32234216715.833298
2012-01-01	33715164460.668800
2012-04-01	34833050273.199500
2012-07-01	36064921271.386406
2012-10-01	37186018664.745300
2013-01-01	38399952653.468300
2013-04-01	38582460283.612900
2013-07-01	38059494422.691900
2013-10-01	38301724640.226900
2014-01-01	38239983493.055695
2014-04-01	39472630097.403595
2014-07-01	40812932764.643500
2014-10-01	39936435634.897095
2015-01-01	40126014450.091400
2015-04-01	39800178005.308700
2015-07-01	39630090189.684700
2015-10-01	39714851744.915200
2016-01-01	33711774011.354000
2016-04-01	32682938910.629800
2016-07-01	30823613041.600998
2016-10-01	30625076706.415200
2017-01-01	30078532286.434300
2017-04-01	29553359738.991703
2017-07-01	29746149698.625400
2017-10-01	29950086295.948600
2018-01-01	30209108518.859200
2018-04-01	31245862714.322300