Quarter	US Dollars, Sum Over Component Sub-periods
1959-07-01	121952657.165471
1959-10-01	130634221.889818
1960-01-01	148529852.082471
1960-04-01	171048734.635310
1960-07-01	155638240.475429
1960-10-01	152301744.097607
1961-01-01	167409705.343294
1961-04-01	168087921.158943
1961-07-01	138365611.780261
1961-10-01	141229079.013567
1962-01-01	159560601.565941
1962-04-01	163811864.691400
1962-07-01	151064951.961345
1962-10-01	149901333.599825
1963-01-01	174042318.108935
1963-04-01	183163850.239809
1963-07-01	177145468.944045
1963-10-01	169733280.527424
1964-01-01	194358032.069075
1964-04-01	218257911.849305
1964-07-01	203446962.229275
1964-10-01	205972229.747734
1965-01-01	229758653.034320
1965-04-01	244049611.479735
1965-07-01	238436575.870818
1965-10-01	230514012.678271
1966-01-01	229950041.046640
1966-04-01	259165828.694064
1966-07-01	240011998.822074
1966-10-01	243513388.936916
1967-01-01	263804543.940882
1967-04-01	286254748.682254
1967-07-01	272994317.867415
1967-10-01	286131580.817605
1968-01-01	323197221.091394
1968-04-01	297950707.264753
1968-07-01	313207871.540228
1968-10-01	300620006.021792
1969-01-01	335491532.588087
1969-04-01	331017971.235953
1969-07-01	344991831.236829
1969-10-01	345039747.911141
1970-01-01	367584075.081003
1970-04-01	402025014.889815
1970-07-01	381812127.714677
1970-10-01	378748611.625324
1971-01-01	388240574.506284
1971-04-01	423801851.088545
1971-07-01	431115985.326930
1971-10-01	443366951.124903
1972-01-01	465697951.405431
1972-04-01	458551691.281563
1972-07-01	456169604.573606
1972-10-01	495274554.372533
1973-01-01	600485786.254048
1973-04-01	624141035.969859
1973-07-01	695125468.704932
1973-10-01	768389118.217536
1974-01-01	841372451.516658
1974-04-01	955128842.901204
1974-07-01	1036474014.115790
1974-10-01	913497554.311902
1975-01-01	937457665.387221
1975-04-01	943999279.733501
1975-07-01	977274691.091333
1975-10-01	951213325.441786
1976-01-01	1066964097.815560
1976-04-01	1010706461.080570
1976-07-01	1127566894.835100
1976-10-01	1017834345.622650
1977-01-01	1021644705.624700
1977-04-01	1065691813.448540
1977-07-01	1147942157.953280
1977-10-01	1084038353.073890
1978-01-01	1137883855.275160
1978-04-01	1261517461.039700
1978-07-01	1347070582.807930
1978-10-01	1303294759.909270
1979-01-01	1390691007.845500
1979-04-01	1360913930.789710
1979-07-01	1433458646.616540
1979-10-01	1426522506.619590
1980-01-01	1558298435.089270
1980-04-01	1574862199.557540
1980-07-01	1728845109.749480
1980-10-01	1714687829.860430
1981-01-01	1757552134.086920
1981-04-01	1826415959.642280
1981-07-01	1911585365.853660
1981-10-01	1930512215.541520
1982-01-01	1920234731.580090
1982-04-01	1917478269.975910
1982-07-01	1922686655.101310
1982-10-01	1783572856.191110
1983-01-01	1829682779.456190
1983-04-01	1622095572.117490
1983-07-01	1772675288.114720
1983-10-01	1770962756.447170
1984-01-01	1989345557.035340
1984-04-01	2041534988.713320
1984-07-01	2119142530.594040
1984-10-01	2077358650.026760
1985-01-01	1950915659.648690
1985-04-01	1860160071.142730
1985-07-01	2000279271.102420
1985-10-01	1870325900.514580
1986-01-01	1913682879.422990
1986-04-01	2027922216.682100
1986-07-01	1861350099.272010
1986-10-01	1897857466.502690
1987-01-01	1929899120.943030
1987-04-01	2058732391.008990
1987-07-01	2405505634.003710
1987-10-01	2386323746.226390
1988-01-01	2419887914.930310
1988-04-01	2588095176.449270
1988-07-01	2863498321.700680
1988-10-01	3047989261.144360
1989-01-01	3313968245.015370
1989-04-01	3306572745.636300
1989-07-01	3481911158.601740
1989-10-01	3425602833.185770
1990-01-01	3378471425.292630
1990-04-01	3530767457.939620
1990-07-01	3761917586.856990
1990-10-01	3455652717.051840
1991-01-01	3329961876.604680
1991-04-01	3393811677.631580
1991-07-01	3633895473.294000
1991-10-01	3536782749.438730
1992-01-01	3291599759.132880
1992-04-01	3570201586.419440
1992-07-01	3714835472.635600
1992-10-01	3484735666.418470
1993-01-01	3213279908.414420
1993-04-01	3462714219.546090
1993-07-01	3698685090.260750
1993-10-01	3562991251.831790
1994-01-01	3665196783.549890
1994-04-01	3971749366.171680
1994-07-01	4288764541.304670
1994-10-01	4183429420.205940
1995-01-01	4237017841.124290
1995-04-01	4432190037.571200
1995-07-01	4670077105.575330
1995-10-01	4533369912.210690
1996-01-01	4482941220.969820
1996-04-01	4785995300.081850
1996-07-01	5070934119.443060
1996-10-01	5045487096.517520
1997-01-01	4737784002.489890
1997-04-01	4955024217.728920
1997-07-01	5141240169.537200
1997-10-01	4870529640.987800
1998-01-01	4524026392.375540
1998-04-01	4461937861.150660
1998-07-01	4705378315.365760
1998-10-01	4830202011.804800
1999-01-01	4444726649.311070
1999-04-01	4741581832.419730
1999-07-01	5116889312.977100
1999-10-01	4915395998.198550
2000-01-01	4713240549.972670
2000-04-01	4893174141.858460
2000-07-01	5005923944.200270
2000-10-01	4707343470.006920
2001-01-01	4341652095.586290
2001-04-01	4293405804.532870
2001-07-01	4610415135.615530
2001-10-01	4208056783.087920
2002-01-01	4071476689.755240
2002-04-01	4586776859.504130
2002-07-01	4870410564.138110
2002-10-01	4948407607.786270
2003-01-01	4865986717.267550
2003-04-01	4974732936.736390
2003-07-01	5904563405.002190
2003-10-01	6529799112.468390
2004-01-01	6703521180.706280
2004-04-01	6656904064.576040
2004-07-01	7289321857.561710
2004-10-01	7705013112.769820
2005-01-01	7546036103.701020
2005-04-01	7555902768.883990
2005-07-01	8071871441.224850
2005-10-01	7803403770.406520
2006-01-01	7553595189.985710
2006-04-01	7863026653.062240
2006-07-01	8751734053.017880
2006-10-01	9101391956.443580
2007-01-01	8897072314.103740
2007-04-01	9996121346.446880
2007-07-01	11238353379.637500
2007-10-01	12015285718.517600
2008-01-01	12102277869.965300
2008-04-01	13479299613.341300
2008-07-01	13630340684.903300
2008-10-01	10253444387.379100
2009-01-01	8839457133.399540
2009-04-01	10047330987.876200
2009-07-01	11403581840.899600
2009-10-01	12601598934.044000
2010-01-01	11637058894.375500
2010-04-01	11905880970.565800
2010-07-01	13480789513.334300
2010-10-01	14567027614.126300
2011-01-01	13819083688.038300
2011-04-01	15464202251.965200
2011-07-01	16745357255.272300
2011-10-01	15882352941.176500
2012-01-01	15336053177.645700
2012-04-01	15154961806.373500
2012-07-01	17020878778.435700
2012-10-01	17186331533.028700
2013-01-01	15968026575.314000
2013-04-01	16155518945.634300
2013-07-01	16001221374.045800
2013-10-01	15710931224.124100
