Quarter	US Dollars, sum over component sub-periods
1971-04-01	111404696.45404300
1971-07-01	115932109.58122100
1971-10-01	119694343.36284500
1972-01-01	121890000.53769900
1972-04-01	138620000.61150100
1972-07-01	132645000.58514301
1972-10-01	135035000.59568600
1973-01-01	144758580.24124700
1973-04-01	198462694.04528600
1973-07-01	210999130.07123800
1973-10-01	214993387.79307100
1974-01-01	213557180.99797800
1974-04-01	270440137.04622900
1974-07-01	271621079.80701000
1974-10-01	245438656.98198300
1975-01-01	230445385.01291100
1975-04-01	274907177.55687500
1975-07-01	228650986.48540100
1975-10-01	218748189.84586000
1976-01-01	214989976.23567498
1976-04-01	229772350.12429100
1976-07-01	241568895.90985600
1976-10-01	222714593.79185900
1977-01-01	223046334.00224000
1977-04-01	310648317.15892500
1977-07-01	283934998.35178500
1977-10-01	279234058.99444600
1978-01-01	243592819.33271000
1978-04-01	334860701.72274900
1978-07-01	358038778.38870400
1978-10-01	333565223.56997500
1979-01-01	335026377.80294603
1979-04-01	457205052.43881900
1979-07-01	435772211.31015605
1979-10-01	389299175.97908600
1980-01-01	373118551.99220400
1980-04-01	476098122.99823000
1980-07-01	518942471.56269395
1980-10-01	510951652.49527997
1981-01-01	438718447.29885900
1981-04-01	548488291.09604410
1981-07-01	547409713.80118000
1981-10-01	477085191.36337300
1982-01-01	461222147.16935600
1982-04-01	531145705.96071300
1982-07-01	568032518.75422200
1982-10-01	487062421.65107197
1983-01-01	494574651.58873500
1983-04-01	422833360.99688697
1983-07-01	522108839.08607197
1983-10-01	440246762.02754104
1984-01-01	460991501.15172500
1984-04-01	520561999.23812400
1984-07-01	468192463.82882804
1984-10-01	419541216.60526400
1985-01-01	364080602.84790700
1985-04-01	445927927.00856000
1985-07-01	505598793.13246804
1985-10-01	509603519.57335700
1986-01-01	474320860.15463500
1986-04-01	626385162.28854800
1986-07-01	556849597.10171590
1986-10-01	557250218.94060000
1987-01-01	567550055.43745400
1987-04-01	723851531.78814900
1987-07-01	696458358.35021400
1987-10-01	718482889.13128900
1988-01-01	710966986.94131800
1988-04-01	894778582.03809800
1988-07-01	832112068.46855890
1988-10-01	787066878.27238890
1989-01-01	704964679.78852100
1989-04-01	831173832.95187590
1989-07-01	895320930.43725190
1989-10-01	802803074.08152810
1990-01-01	706226294.63617900
1990-04-01	880377325.97582900
1990-07-01	931209295.63859000
1990-10-01	852817462.12172200
1991-01-01	773133278.07282000
1991-04-01	891127686.54278400
1991-07-01	915247567.00279600
1991-10-01	875273019.22375500
1992-01-01	774151469.78126410
1992-04-01	943554765.87594300
1992-07-01	981670950.75071100
1992-10-01	902594616.55291000
1993-01-01	778191041.89043600
1993-04-01	890144505.69317600
1993-07-01	950203488.76322200
1993-10-01	881182967.16999900
1994-01-01	820805256.11372790
1994-04-01	998932332.17853590
1994-07-01	1123406753.15846010
1994-10-01	1051076353.95099010
1995-01-01	1025419644.01568000
1995-04-01	1196546524.70009000
1995-07-01	1264246226.62528010
1995-10-01	1186198885.14376000
1996-01-01	1123865448.92197010
1996-04-01	1254560305.94311000
1996-07-01	1331776103.89797000
1996-10-01	1236085446.60815000
1997-01-01	1134558234.72873000
1997-04-01	1248668840.12233000
1997-07-01	1309470780.49631000
1997-10-01	1242497525.73707990
1998-01-01	1009826702.15791000
1998-04-01	1165523671.87707000
1998-07-01	1196128781.40251000
1998-10-01	1139559892.49338980
1999-01-01	1062969534.20994010
1999-04-01	1139195332.86396000
1999-07-01	1246255681.10414000
1999-10-01	1162121080.55291990
2000-01-01	1075657925.67315000
2000-04-01	1117959152.43040010
2000-07-01	1188002932.96241000
2000-10-01	1131844634.92181000
2001-01-01	1059957173.44754000
2001-04-01	1061821667.33806000
2001-07-01	1137121717.38314000
2001-10-01	1100753798.79670000
2002-01-01	1027698998.04395010
2002-04-01	1180826036.02386000
2002-07-01	1310800037.41528000
2002-10-01	1318495558.33050000
2003-01-01	1226987221.32801000
2003-04-01	1352986581.81604980
2003-07-01	1612275510.26997000
2003-10-01	1626398371.85850000
2004-01-01	1602755541.20462000
2004-04-01	1690781890.34561000
2004-07-01	1986847282.55604000
2004-10-01	2034565238.57152000
2005-01-01	1925304457.69460990
2005-04-01	2116324800.59318000
2005-07-01	2238709866.07461000
2005-10-01	2109264829.05668000
2006-01-01	1868374210.55634000
2006-04-01	1942002295.78322000
2006-07-01	2161560946.63046000
2006-10-01	2113082564.46653000
2007-01-01	2007069537.96771000
2007-04-01	2346994950.54108000
2007-07-01	2629717734.31568000
2007-10-01	2630709066.67028000
2008-01-01	2498000593.79074000
2008-04-01	2868929094.29740000
2008-07-01	2837966791.53347970
2008-10-01	2256938848.17932000
2009-01-01	1813326083.03588990
2009-04-01	2027578147.72194000
2009-07-01	2401979360.81615970
2009-10-01	2467877979.15089000
2010-01-01	2258581852.37505000
2010-04-01	2389754589.67950000
2010-07-01	2744978916.18407000
2010-10-01	2858211266.21415000
2011-01-01	2662853222.89919000
2011-04-01	3026676948.29534000
2011-07-01	3434265394.53358030
2011-10-01	3018581278.48545030
2012-01-01	2911925204.07307000
2012-04-01	2945916770.11929000
2012-07-01	3319694685.19016000
2012-10-01	3224806939.54843000
2013-01-01	2912413618.44795000
2013-04-01	3077067293.80436000
2013-07-01	3351712732.16432000
2013-10-01	3298853731.20203970
2014-01-01	3055170985.18461000
2014-04-01	3314879740.16392000
2014-07-01	3538951231.61999000
2014-10-01	3278402740.97094000
2015-01-01	2902526337.32460980
2015-04-01	2986731735.68570040
2015-07-01	2960349708.51869000
2015-10-01	2919276581.36002970
2016-01-01	2657739524.33487030
2016-04-01	2943083561.47445000
2016-07-01	3307110124.23081000
2016-10-01	3139215736.51551000
2017-01-01	3033291999.57216000
2017-04-01	3161361595.56910000
2017-07-01	3585621553.69909000
2017-10-01	3331125401.91859000
2018-01-01	3234321419.69147000
2018-04-01	3408356582.57709030