Quarter	US Dollars, sum over component sub-periods
1960-01-01	148529852.08352800
1960-04-01	171048734.63664800
1960-07-01	155638240.47655702
1960-10-01	152301744.09925800
1961-01-01	167409705.34398800
1961-04-01	168087921.16084200
1961-07-01	138365611.78135400
1961-10-01	141229079.01457200
1962-01-01	159560601.56596600
1962-04-01	163811864.69139102
1962-07-01	151064951.96135100
1962-10-01	149901333.59987900
1963-01-01	174042318.10901300
1963-04-01	183163850.23999602
1963-07-01	177145468.94412300
1963-10-01	169733280.52747600
1964-01-01	194358032.06919400
1964-04-01	218257911.84950200
1964-07-01	203446962.22931000
1964-10-01	205972229.74789300
1965-01-01	229758653.03445202
1965-04-01	244049611.47993898
1965-07-01	238436575.87103300
1965-10-01	230514012.67830900
1966-01-01	229950041.04737800
1966-04-01	259165828.69704303
1966-07-01	240011998.82479802
1966-10-01	243513388.93868200
1967-01-01	263804543.94267200
1967-04-01	286254748.68526700
1967-07-01	272994317.86941600
1967-10-01	286131580.81977100
1968-01-01	323197221.09489500
1968-04-01	297950707.26702900
1968-07-01	313207871.54139900
1968-10-01	300620006.02283806
1969-01-01	335491532.59208800
1969-04-01	331017971.23862100
1969-07-01	344991831.23930300
1969-10-01	345039747.91240200
1970-01-01	367580399.41521800
1970-04-01	402023133.77633405
1970-07-01	381816745.56702304
1970-10-01	378737190.61942900
1971-01-01	388232752.05926000
1971-04-01	423785688.57382500
1971-07-01	420892649.78245700
1971-10-01	438720317.92652303
1972-01-01	456153001.39168300
1972-04-01	452580001.38078200
1972-07-01	445446466.96925503
1972-10-01	489279495.47284603
1973-01-01	587023062.84716090
1973-04-01	614211379.74080600
1973-07-01	676363640.33297400
1973-10-01	757957846.19786110
1974-01-01	830906987.35875200
1974-04-01	947622392.57524300
1974-07-01	1023144359.08798990
1974-10-01	906891854.64680800
1975-01-01	926593441.22541800
1975-04-01	937277792.46398590
1975-07-01	966902873.18246900
1975-10-01	944882376.63306900
1976-01-01	1056846317.65001000
1976-04-01	1004504878.16486000
1976-07-01	1115153503.12391000
1976-10-01	1010842111.37660000
1977-01-01	1011748740.57056000
1977-04-01	1059066929.47406000
1977-07-01	1135685462.87176000
1977-10-01	1077267038.24968980
1978-01-01	1126479898.27769000
1978-04-01	1253582440.13721000
1978-07-01	1332066394.34794020
1978-10-01	1295215142.39455990
1979-01-01	1372545233.04151000
1979-04-01	1346452566.61322000
1979-07-01	1413154536.04466000
1979-10-01	1413284882.69884000
1980-01-01	1540706545.95416000
1980-04-01	1560260760.95259000
1980-07-01	1707921243.49675000
1980-10-01	1701830357.98472000
1981-01-01	1736511662.18182000
1981-04-01	1810386184.08161000
1981-07-01	1887586034.43580000
1981-10-01	1915687468.42066000
1982-01-01	1899562842.51554010
1982-04-01	1901723089.40195000
1982-07-01	1900096766.34804000
1982-10-01	1770294614.00620990
1983-01-01	1809903108.39788000
1983-04-01	1608930930.99857000
1983-07-01	1751531423.70422000
1983-10-01	1757315967.80320000
1984-01-01	1967941920.65262990
1984-04-01	2027108108.72146990
1984-07-01	2096511229.66995000
1984-10-01	2062991858.47700980
1985-01-01	1933014831.77661000
1985-04-01	1848146695.46186000
1985-07-01	1978619533.66786000
1985-10-01	1857965268.38112000
1986-01-01	1894014753.53943010
1986-04-01	2014372549.30675000
1986-07-01	1840271663.91538000
1986-10-01	1884234580.55201980
1987-01-01	1909757720.58585000
1987-04-01	2045138886.36285000
1987-07-01	2379138321.81226000
1987-10-01	2369437155.88166000
1988-01-01	2395451648.62165980
1988-04-01	2571751943.01703020
1988-07-01	2822756369.53019000
1988-10-01	3017789065.14858000
1989-01-01	3271694893.35530000
1989-04-01	3277768356.80175000
1989-07-01	3430799533.53149000
1989-10-01	3385760210.05847000
1990-01-01	3319537482.27516000
1990-04-01	3487735446.87717000
1990-07-01	3691586723.91096970
1990-10-01	3414216635.65566000
1991-01-01	3269253292.82866000
1991-04-01	3355274147.59970000
1991-07-01	3566463820.73987960
1991-10-01	3488217549.58053000
1992-01-01	3223822873.08316040
1992-04-01	3528520567.92801000
1992-07-01	3639616461.54790000
1992-10-01	3446384130.34421000
1993-01-01	3169318660.78803970
1993-04-01	3445242604.95729000
1993-07-01	3662573385.32652000
1993-10-01	3554316524.99533000
1994-01-01	3643277613.69970000
1994-04-01	3981972784.43975970
1994-07-01	4263030875.13381960
1994-10-01	4184849645.38716030
1995-01-01	4225006857.81586000
1995-04-01	4451165968.90364900
1995-07-01	4647901530.44547900
1995-10-01	4556578597.72499000
1996-01-01	4498755100.02603000
1996-04-01	4832773092.55816000
1996-07-01	5076279001.16219000
1996-10-01	5095583274.96552000
1997-01-01	4768934763.79171000
1997-04-01	5027246314.53122000
1997-07-01	5142573928.94510000
1997-10-01	4928652968.16451900
1998-01-01	4628660115.32919000
1998-04-01	4591985309.48409000
1998-07-01	4832743993.24292000
1998-10-01	4975531665.51076000
1999-01-01	4559595253.54993000
1999-04-01	4900119979.90811900
1999-07-01	5239948937.59642000
1999-10-01	5073106119.01843000
2000-01-01	4846956706.44800950
2000-04-01	5057570402.48310000
2000-07-01	5162456177.41367000
2000-10-01	4873968067.53401900
2001-01-01	4482131253.43510000
2001-04-01	4449252944.47984000
2001-07-01	4742123179.75276900
2001-10-01	4362161648.09820000
2002-01-01	4216119597.30291000
2002-04-01	4768089401.47484000
2002-07-01	5036714297.44430100
2002-10-01	5147562353.27602000
2003-01-01	5048049861.39362000
2003-04-01	5183960512.49564000
2003-07-01	6125720835.68968000
2003-10-01	6840447780.17328000
2004-01-01	7051230463.31899900
2004-04-01	6990384031.61088000
2004-07-01	7564461784.00426000
2004-10-01	8073513781.83116000
2005-01-01	7960967507.12986900
2005-04-01	8103747440.05847900
2005-07-01	8531952371.44549000
2005-10-01	8365867317.19622000
2006-01-01	8058545934.59198950
2006-04-01	8477550234.49034000
2006-07-01	9414662855.22114000
2006-10-01	9835639419.99016000
2007-01-01	9607213224.90869000
2007-04-01	10875402016.40590100
2007-07-01	12205828407.80480000
2007-10-01	12902354126.88650000
2008-01-01	12915700142.47680000
2008-04-01	14375697374.62570000
2008-07-01	14490491062.89400000
2008-10-01	11167891821.93690100
2009-01-01	9703467867.15938000
2009-04-01	11115774934.20680000
2009-07-01	12718120225.93580000
2009-10-01	14066561103.42090000
2010-01-01	13075178924.19010000
2010-04-01	13383730600.78439900
2010-07-01	15110045749.66440000
2010-10-01	16327727992.64490000
2011-01-01	15435920701.24240000
2011-04-01	17375657312.34840000
2011-07-01	18812277397.78950000
2011-10-01	17975846109.34340300
2012-01-01	17319843086.62290000
2012-04-01	17217011004.16970000
2012-07-01	19643657974.55489700
2012-10-01	20017433390.28210000
2013-01-01	18575827079.00950200
2013-04-01	18872676061.96650000
2013-07-01	19041240947.51659800
2013-10-01	19068215204.53340000
2014-01-01	16799694038.36890000
2014-04-01	17983041625.82620200
2014-07-01	18899298088.81560000
2014-10-01	17245495517.62130000
2015-01-01	15428387506.64340000
2015-04-01	15744166930.45550000
2015-07-01	16096387879.18030000
2015-10-01	16215371140.90360000
2016-01-01	14547902446.26089900
2016-04-01	15472998306.78229900
2016-07-01	16404138390.34700200
2016-10-01	15745722716.30099900
2017-01-01	15307074015.97650000
2017-04-01	16278588299.70170000
2017-07-01	18513907921.72820300
2017-10-01	17923481372.92360300
2018-01-01	17526855854.47990000
2018-04-01	17010409068.92850100