Quarter	US Dollars, sum over component sub-periods, Seasonally Adjusted
2002-01-01	12869877125.275300
2002-04-01	12934785630.023100
2002-07-01	12666780048.494000
2002-10-01	12179926132.239900
2003-01-01	12570509584.136800
2003-04-01	12408471060.302300
2003-07-01	12959094206.927000
2003-10-01	14894787828.307800
2004-01-01	15050421342.561700
2004-04-01	14616004788.644100
2004-07-01	15348166457.857900
2004-10-01	17346475903.124500
2005-01-01	17445902275.117300
2005-04-01	17603047134.505800
2005-07-01	18629557171.384600
2005-10-01	18028428558.308002
2006-01-01	20371834591.450200
2006-04-01	20362214333.900703
2006-07-01	20793572678.465300
2006-10-01	21552386945.355900
2007-01-01	23162694351.758602
2007-04-01	24388605512.932900
2007-07-01	24530108321.740100
2007-10-01	25343122968.033000
2008-01-01	25548587796.216800
2008-04-01	24986130184.827100
2008-07-01	23210663100.087200
2008-10-01	19719937011.372100
2009-01-01	20077256965.465400
2009-04-01	20280702798.476902
2009-07-01	20674688804.402900
2009-10-01	20297983624.336800
2010-01-01	19746487218.294500
2010-04-01	20065155971.828697
2010-07-01	20668607651.333000
2010-10-01	21599040821.163500
2011-01-01	19968469199.701100
2011-04-01	22014012613.202900
2011-07-01	20797645584.590397
2011-10-01	19794046903.155500
2012-01-01	21283774911.937200
2012-04-01	20616777230.705400
2012-07-01	20147143216.202900
2012-10-01	21500281501.010998
2013-01-01	21380351765.276700
2013-04-01	20786995044.294502
2013-07-01	21470379954.486700
2013-10-01	21639352963.809300
2014-01-01	23331149478.030300
2014-04-01	23759733012.325400
2014-07-01	25647831855.202103
2014-10-01	24991953144.616600
2015-01-01	22982953804.828100
2015-04-01	23132018403.902397
2015-07-01	24888287452.893300
2015-10-01	25403755834.544700
2016-01-01	20917708032.909702
2016-04-01	25857160632.947500
2016-07-01	24926258539.545403
2016-10-01	23430980017.252500
2017-01-01	22043730626.130898
2017-04-01	24085850933.489200
2017-07-01	24303282174.900800
2017-10-01	25826726590.740800
2018-01-01	26022978704.867100
2018-04-01	27337175460.518703