Quarter	US Dollars, sum over component sub-periods, Seasonally Adjusted
1999-01-01	192189605829.13998
1999-04-01	187887016740.60898
1999-07-01	200131965401.13500
1999-10-01	211709758077.57400
2000-01-01	219071991043.95400
2000-04-01	219954337345.00400
2000-07-01	225041577723.71600
2000-10-01	229741229448.44900
2001-01-01	230142942782.58200
2001-04-01	214499790078.34198
2001-07-01	212021732517.83900
2001-10-01	202967832269.95798
2002-01-01	204278304373.08600
2002-04-01	218056243351.53897
2002-07-01	226793267710.71600
2002-10-01	233969209783.73400
2003-01-01	255025189259.64398
2003-04-01	261671927054.33300
2003-07-01	257244147958.25000
2003-10-01	284480643695.70703
2004-01-01	300409754535.01100
2004-04-01	304704321863.82996
2004-07-01	320843964293.32400
2004-10-01	350406322565.99800
2005-01-01	350525469325.30700
2005-04-01	356962788477.65300
2005-07-01	370081936536.96800
2005-10-01	381812909202.93304
2006-01-01	404404566024.22200
2006-04-01	435263061869.04297
2006-07-01	441966298969.52997
2006-10-01	457846266211.47100
2007-01-01	469650681017.29400
2007-04-01	487395157406.65800
2007-07-01	506110927501.74805
2007-10-01	551970024668.50900
2008-01-01	591796435815.89400
2008-04-01	622581683462.79410
2008-07-01	613624798608.36000
2008-10-01	486057725526.32404
2009-01-01	408679602349.00300
2009-04-01	407599034540.28900
2009-07-01	434778725320.94995
2009-10-01	473371194421.99300
2010-01-01	474188370415.03204
2010-04-01	480613015460.01900
2010-07-01	496780849813.98096
2010-10-01	545796181977.50300
2011-01-01	580976495280.21800
2011-04-01	617904669927.41200
2011-07-01	609667777203.94100
2011-10-01	583089725605.93300
2012-01-01	580103915592.82590
2012-04-01	566934711501.53000
2012-07-01	549322957312.63200
2012-10-01	568772802257.89600
2013-01-01	561405408462.15000
2013-04-01	553442573576.21400
2013-07-01	568608467128.24900
2013-10-01	584647332040.79600
2014-01-01	587214884541.10300
2014-04-01	592136519492.58690
2014-07-01	576934360335.93200
2014-10-01	540913359491.13605
2015-01-01	495479735281.62305
2015-04-01	500606054309.00300
2015-07-01	495545797690.70600
2015-10-01	482273691875.67700
2016-01-01	474022310568.72705
2016-04-01	486764976313.19800
2016-07-01	491860816543.54400
2016-10-01	496742517095.08000
2017-01-01	516014139715.27400
2017-04-01	525794561623.70197
2017-07-01	563413710828.17490
2017-10-01	583348086994.01200
2018-01-01	601802260256.63000
2018-04-01	601360800301.29900