Quarter	US Dollars, sum over component sub-periods, Seasonally Adjusted
1981-01-01	3110061762.8902300
1981-04-01	3108314092.8227700
1981-07-01	2992038964.6595200
1981-10-01	2988859037.9796600
1982-01-01	3168627578.8532996
1982-04-01	2882556208.6062900
1982-07-01	2867455197.4634500
1982-10-01	2951698430.5935597
1983-01-01	2922890640.8932100
1983-04-01	3160774647.9411798
1983-07-01	3316735751.0240197
1983-10-01	3391138636.6939600
1984-01-01	3479257543.3927197
1984-04-01	3401628248.5587397
1984-07-01	3309261831.3859100
1984-10-01	3245989985.1524300
1985-01-01	3516834311.1969700
1985-04-01	3493294541.1212000
1985-07-01	3573957826.5714297
1985-10-01	3594539977.4345903
1986-01-01	3734677038.7400804
1986-04-01	3856080929.0482097
1986-07-01	3918427518.5121603
1986-10-01	4001666233.8634800
1987-01-01	4072279258.5749800
1987-04-01	4262711288.9720400
1987-07-01	4372673929.1382800
1987-10-01	4511258483.2132900
1988-01-01	4758486820.3791700
1988-04-01	5051281090.3392105
1988-07-01	5228120540.1613200
1988-10-01	5441362579.6506500
1989-01-01	5749144135.2314000
1989-04-01	5824706193.2223400
1989-07-01	5932593206.2260690
1989-10-01	6299122420.8647500
1990-01-01	6527054976.5865500
1990-04-01	6710672681.4987390
1990-07-01	6980337120.6726600
1990-10-01	6974195326.8196310
1991-01-01	6842574029.5915400
1991-04-01	7172482098.2511010
1991-07-01	7327310362.6476910
1991-10-01	7849200377.6766400
1992-01-01	7540569895.3143500
1992-04-01	7632518051.4076805
1992-07-01	7392650407.0318590
1992-10-01	7100301864.9037400
1993-01-01	7539197102.4113900
1993-04-01	7742019064.8188000
1993-07-01	7960353106.9742300
1993-10-01	7842652462.9289600
1994-01-01	7976112443.2021000
1994-04-01	7967547459.2664590
1994-07-01	7310734235.4139700
1994-10-01	7548380363.0075500
1995-01-01	7566075917.1481300
1995-04-01	7922006740.7012700
1995-07-01	8165011761.2478000
1995-10-01	8331761981.1228500
1996-01-01	8309373114.8904295
1996-04-01	8480759801.1749790
1996-07-01	8702713136.9187800
1996-10-01	9011455083.6349900
1997-01-01	9020426449.7549300
1997-04-01	8927837746.8672600
1997-07-01	9152257757.5960600
1997-10-01	9091091547.7376000
1998-01-01	9280083304.4959600
1998-04-01	9399806901.3749900
1998-07-01	8895996040.5952100
1998-10-01	8949017477.1721100
1999-01-01	9282109077.7581500
1999-04-01	9663172931.2482400
1999-07-01	9874721856.5017400
1999-10-01	10378743796.1134000
2000-01-01	10638870995.9373990
2000-04-01	10748489934.6586000
2000-07-01	10810990761.7135000
2000-10-01	10764920354.2469000
2001-01-01	10823908403.2195010
2001-04-01	10611045407.8587020
2001-07-01	10447971154.8277990
2001-10-01	10243121635.6688000
2002-01-01	10164067700.6990010
2002-04-01	10995621734.2219000
2002-07-01	11151706322.1247000
2002-10-01	11228391177.9689000
2003-01-01	11582160589.0355000
2003-04-01	12049403186.5557000
2003-07-01	12837743980.4010000
2003-10-01	14023175117.1561010
2004-01-01	14070104771.4379000
2004-04-01	13955091804.1967000
2004-07-01	14284768049.5754990
2004-10-01	15399546997.0996000
2005-01-01	15856953309.8408000
2005-04-01	15827180022.7168000
2005-07-01	16482525749.7456000
2005-10-01	17037988889.6176010
2006-01-01	17533805134.8065000
2006-04-01	18182670573.1266020
2006-07-01	18683738964.3944000
2006-10-01	18543061066.6964000
2007-01-01	18324697860.8062020
2007-04-01	20051123875.3484000
2007-07-01	21097937574.5038030
2007-10-01	23223489010.3331030
2008-01-01	23239454363.7954980
2008-04-01	23504086583.5398000
2008-07-01	23089496053.9347000
2008-10-01	19881088874.8875000
2009-01-01	19470142117.8257000
2009-04-01	20203244749.4549980
2009-07-01	21172405245.3690000
2009-10-01	22537626559.8610000
2010-01-01	23963044534.9638000
2010-04-01	24550361196.8206000
2010-07-01	24383311945.8701970
2010-10-01	25556594112.9259000
2011-01-01	26094250871.5191000
2011-04-01	27719297408.5940970
2011-07-01	27359762695.5365030
2011-10-01	26191343802.8632000
2012-01-01	27513451794.7621000
2012-04-01	27576222192.9205970
2012-07-01	28326191135.8001020
2012-10-01	28526563241.4785000
2013-01-01	28383168240.2793000
2013-04-01	28197498153.3264000
2013-07-01	28266351921.1067000
2013-10-01	27997751261.2548030
2014-01-01	27168017668.3367000
2014-04-01	28152409637.3182000
2014-07-01	28134217796.0845000
2014-10-01	27508032609.8039000
2015-01-01	25585348569.2198030
2015-04-01	26363488447.7708970
2015-07-01	24921156011.9930000
2015-10-01	24573671169.8668020
2016-01-01	23828522776.9068000
2016-04-01	25386626675.9044000
2016-07-01	25457926027.4348030
2016-10-01	25127210455.9666980
2017-01-01	25902020974.1832000
2017-04-01	25424794033.3554000
2017-07-01	27397425442.1611980
2017-10-01	27662494421.5214000
2018-01-01	27870612076.9593000
2018-04-01	28272696124.9285000