Quarter	US Dollars, sum over component sub-periods, Seasonally Adjusted
1981-01-01	16060553322.425299
1981-04-01	17420240173.463497
1981-07-01	16677357836.385399
1981-10-01	16251134145.847300
1982-01-01	14609101781.593800
1982-04-01	13793196198.639100
1982-07-01	13821742445.394800
1982-10-01	12900075529.633100
1983-01-01	13887601113.114801
1983-04-01	14318122319.355200
1983-07-01	15703596023.434801
1983-10-01	17236673241.938700
1984-01-01	18130691438.348200
1984-04-01	18225606825.269900
1984-07-01	19034344328.686800
1984-10-01	18186945990.157898
1985-01-01	18317091647.730100
1985-04-01	19317152258.739100
1985-07-01	20139248678.086998
1985-10-01	20176974150.407200
1986-01-01	20486189871.981700
1986-04-01	20211382041.297100
1986-07-01	21119378820.995500
1986-10-01	21011274943.918000
1987-01-01	21224737435.249000
1987-04-01	21511543035.340298
1987-07-01	22491062375.055700
1987-10-01	24688388210.364000
1988-01-01	26122364723.779400
1988-04-01	26507438859.811900
1988-07-01	27340405108.689903
1988-10-01	27858418551.050700
1989-01-01	28951256983.341003
1989-04-01	29385852266.612200
1989-07-01	28972873934.725403
1989-10-01	30125754050.017200
1990-01-01	30236442712.050500
1990-04-01	30207425767.978900
1990-07-01	30053338170.895100
1990-10-01	30139716964.854400
1991-01-01	29650577425.825500
1991-04-01	29746266287.857800
1991-07-01	31491174958.723500
1991-10-01	31653098336.324100
1992-01-01	31222035350.328598
1992-04-01	31632630752.708000
1992-07-01	32755409696.735000
1992-10-01	31905797923.678100
1993-01-01	33112077592.331604
1993-04-01	34211301327.608000
1993-07-01	34200915993.079400
1993-10-01	35349313979.520600
1994-01-01	34939277830.061195
1994-04-01	36985104986.163600
1994-07-01	38671414041.872000
1994-10-01	41313296416.065700
1995-01-01	41472304505.739700
1995-04-01	42146184241.444405
1995-07-01	41750067817.767100
1995-10-01	41944891644.435100
1996-01-01	42604979788.660500
1996-04-01	42295353140.091800
1996-07-01	44117829540.138500
1996-10-01	45071341935.311700
1997-01-01	48134443276.819800
1997-04-01	49227165459.802704
1997-07-01	51139151692.163704
1997-10-01	51772382474.551500
1998-01-01	51534198580.980200
1998-04-01	51445318700.629300
1998-07-01	49769759124.137800
1998-10-01	51592230405.208595
1999-01-01	52486564890.606895
1999-04-01	53799175585.403200
1999-07-01	55281614308.719696
1999-10-01	58394272404.596695
2000-01-01	60385125077.083500
2000-04-01	60884009371.502000
2000-07-01	61594303920.294395
2000-10-01	60832549191.327500
2001-01-01	58625141130.739000
2001-04-01	58088887934.130600
2001-07-01	55901370631.211500
2001-10-01	53255747753.674800
2002-01-01	53681962749.352490
2002-04-01	56956252359.937096
2002-07-01	58171994015.067600
2002-10-01	58165003329.978900
2003-01-01	59899478075.495200
2003-04-01	60993439139.025406
2003-07-01	59999362938.724205
2003-10-01	63806244893.194700
2004-01-01	64667227680.227000
2004-04-01	67554477790.953300
2004-07-01	71813883705.703900
2004-10-01	75376988792.017800
2005-01-01	77281542572.609910
2005-04-01	77617751666.554290
2005-07-01	80669228747.570400
2005-10-01	84428308262.913100
2006-01-01	85208991755.306700
2006-04-01	90202368393.006600
2006-07-01	91084676736.630600
2006-10-01	90214397315.160800
2007-01-01	90320983880.602400
2007-04-01	94939054187.404890
2007-07-01	99658912071.457900
2007-10-01	103382673368.382000
2008-01-01	104249163206.059000
2008-04-01	110717764093.003000
2008-07-01	109845375701.540010
2008-10-01	92743217247.732400
2009-01-01	76843991561.982300
2009-04-01	76778842248.289290
2009-07-01	84996771242.676800
2009-10-01	90372131916.659000
2010-01-01	95088320064.261900
2010-04-01	99396081161.893900
2010-07-01	102447445170.321990
2010-10-01	104703670466.666000
2011-01-01	111380225020.303000
2011-04-01	115934814534.297000
2011-07-01	117192990840.267000
2011-10-01	116528405571.773000
2012-01-01	118703775066.010000
2012-04-01	118561124164.020000
2012-07-01	119135444934.187010
2012-10-01	118765319168.677000
2013-01-01	118847824733.373000
2013-04-01	118368915498.111010
2013-07-01	118291394885.209000
2013-10-01	117634376207.716000
2014-01-01	114955139282.038000
2014-04-01	120672840918.515000
2014-07-01	121065759079.629000
2014-10-01	118310409845.301000
2015-01-01	109649420603.776000
2015-04-01	110597136348.845000
2015-07-01	105833712375.504000
2015-10-01	103573578714.799010
2016-01-01	100487748009.698000
2016-04-01	104190639780.711000
2016-07-01	106071880839.977000
2016-10-01	102386734702.481000
2017-01-01	106837901776.405990
2017-04-01	109195429902.470000
2017-07-01	111806391673.358000
2017-10-01	114257547696.525000
2018-01-01	117379447016.658000
2018-04-01	118753379948.046000