Quarter	US Dollars, sum over component sub-periods
1980-01-01	5002300000.000000
1980-04-01	5187300000.000000
1980-07-01	5504800000.000000
1980-10-01	5884300000.000000
1981-01-01	5576400000.000000
1981-04-01	6179700000.000000
1981-07-01	6042100000.000000
1981-10-01	6417900000.000000
1982-01-01	5182300000.000000
1982-04-01	5769900000.000000
1982-07-01	5905900000.000000
1982-10-01	6193000000.000000
1983-01-01	5568900000.000000
1983-04-01	5707700000.000000
1983-07-01	5662200000.000000
1983-10-01	6444000000.000000
1984-01-01	5844800000.000000
1984-04-01	6282700000.000000
1984-07-01	6359800000.000000
1984-10-01	6144300000.000000
1985-01-01	5703400000.000000
1985-04-01	5977800000.000000
1985-07-01	5653600000.000000
1985-10-01	5690300000.000000
1986-01-01	6826400000.000000
1986-04-01	7169300000.000000
1986-07-01	7172400000.000000
1986-10-01	7859700000.000000
1987-01-01	7694000000.000000
1987-04-01	9659900000.000000
1987-07-01	9735200000.000000
1987-10-01	10641300000.000000
1988-01-01	10366900000.000000
1988-04-01	11578400000.000000
1988-07-01	12191400000.000000
1988-10-01	12500200000.000000
1989-01-01	12506200000.000000
1989-04-01	13563700000.000000
1989-07-01	14149300000.000000
1989-10-01	14838200000.000000
1990-01-01	14372800000.000000
1990-04-01	15189300000.000000
1990-07-01	15443300000.000000
1990-10-01	18136200000.000000
1991-01-01	18053100000.000000
1991-04-01	18604300000.000000
1991-07-01	18295600000.000000
1991-10-01	19160900000.000000
1992-01-01	18798500000.000000
1992-04-01	19246900000.000000
1992-07-01	17849600000.000000
1992-10-01	18552800000.000000
1993-01-01	18632800000.000000
1993-04-01	19874500000.000000
1993-07-01	19246400000.000000
1993-10-01	20004500000.000000
1994-01-01	21096700000.000000
1994-04-01	23218900000.000000
1994-07-01	23896100000.000000
1994-10-01	27299800000.000000
1995-01-01	28899400000.000000
1995-04-01	32568600000.000000
1995-07-01	31926600000.000000
1995-10-01	32701400000.000000
1996-01-01	33898900000.000000
1996-04-01	35096000000.000000
1996-07-01	34393300000.000000
1996-10-01	37738100000.000000
1997-01-01	35718300000.000000
1997-04-01	35376300000.000000
1997-07-01	33957600000.000000
1997-10-01	33531300000.000004
1998-01-01	21946700000.000000
1998-04-01	22394600000.000000
1998-07-01	20535600000.000000
1998-10-01	23116400000.000000
1999-01-01	23764200000.000000
1999-04-01	25928000000.000000
1999-07-01	28028200000.000000
1999-10-01	33055800000.000004
2000-01-01	38046800000.000000
2000-04-01	38220100000.000000
2000-07-01	38440000000.000000
2000-10-01	39185800000.000000
2001-01-01	36559700000.000000
2001-04-01	33927199999.999996
2001-07-01	33306300000.000004
2001-10-01	32785199999.999996
2002-01-01	32172300000.000000
2002-04-01	35606200000.000000
2002-07-01	37674600000.000000
2002-10-01	40594600000.000000
2003-01-01	43210700000.000000
2003-04-01	40881200000.000000
2003-07-01	41169100000.000000
2003-10-01	47170400000.000000
2004-01-01	51795400000.000000
2004-04-01	53799800000.000000
2004-07-01	52478800000.000000
2004-10-01	58698400000.000000
2005-01-01	58813800000.000000
2005-04-01	63119800000.000000
2005-07-01	63912800000.000000
2005-10-01	67095200000.000000
2006-01-01	72201800000.000000
2006-04-01	74782000000.000000
2006-07-01	80578200000.000000
2006-10-01	76366400000.000000
2007-01-01	81515400000.000000
2007-04-01	88770900000.000000
2007-07-01	84532800000.000000
2007-10-01	95132300000.000000
2008-01-01	102789200000.000000
2008-04-01	111161400000.000000
2008-07-01	118904800000.000000
2008-10-01	87841100000.000000
2009-01-01	68469100000.000010
2009-04-01	71966000000.000000
2009-07-01	83709700000.000000
2009-10-01	91942100000.000000
2010-01-01	95520500000.000000
2010-04-01	103450600000.000000
2010-07-01	103199800000.000000
2010-10-01	113683300000.000000
2011-01-01	131386100000.000000
2011-04-01	147650800000.000000
2011-07-01	139288500000.000000
2011-10-01	139684400000.000000
2012-01-01	142598600000.000000
2012-04-01	142299000000.000000
2012-07-01	133724900000.000000
2012-10-01	135480700000.000020
2013-01-01	133525299999.999980
2013-04-01	133480600000.000000
2013-07-01	130410100000.000000
2013-10-01	137959900000.000000
2014-01-01	133876500000.000000
2014-04-01	132828600000.000000
2014-07-01	129843300000.000000
2014-10-01	127586800000.000000
2015-01-01	106911200000.000000
2015-04-01	108418600000.000000
2015-07-01	102230900000.000000
2015-10-01	103051300000.000000
2016-01-01	88774700000.000000
2016-04-01	94399900000.000000
2016-07-01	100430100000.000000
2016-10-01	109447200000.000000
2017-01-01	112009900000.000000
2017-04-01	113551600000.000000
2017-07-01	114112500000.000000
2017-10-01	117818700000.000000
2018-01-01	125826400000.000000
2018-04-01	125763200000.000000
2018-07-01	122499700000.000000