Quarter	US Dollars, Sum Over Component Sub-periods
1959-07-01	460958667.451137
1959-10-01	614092496.063248
1960-01-01	549448776.124628
1960-04-01	505320444.804968
1960-07-01	438922232.132144
1960-10-01	508419057.502307
1961-01-01	549103833.526003
1961-04-01	616693432.596387
1961-07-01	556810002.244759
1961-10-01	636651721.267510
1962-01-01	618016414.515969
1962-04-01	623831484.715194
1962-07-01	520334834.533523
1962-10-01	623097334.441062
1963-01-01	636658028.179136
1963-04-01	652379886.347962
1963-07-01	706339528.068027
1963-10-01	811816414.101560
1964-01-01	794187131.040877
1964-04-01	795403833.388960
1964-07-01	678156540.764249
1964-10-01	760427204.960554
1965-01-01	723851290.384823
1965-04-01	754538707.052026
1965-07-01	726556735.908248
1965-10-01	748611041.173607
1966-01-01	722221730.860080
1966-04-01	784171284.245988
1966-07-01	781150162.832955
1966-10-01	793920363.931316
1967-01-01	834824506.142032
1967-04-01	889951533.840936
1967-07-01	803446691.609790
1967-10-01	856168037.543729
1968-01-01	786185627.775952
1968-04-01	871616994.386442
1968-07-01	835220990.773940
1968-10-01	927373893.115197
1969-01-01	889830190.738601
1969-04-01	960840755.433219
1969-07-01	1088221821.361190
1969-10-01	1089657784.532280
1970-01-01	1142974190.905370
1970-04-01	1151354973.198330
1970-07-01	1164305005.734580
1970-10-01	1156238430.211030
1971-01-01	1128815080.789950
1971-04-01	1309626409.862480
1971-07-01	1358015353.779830
1971-10-01	1303335919.317300
1972-01-01	1383992377.322530
1972-04-01	1532872796.569800
1972-07-01	1605526441.162460
1972-10-01	1817203014.714680
1973-01-01	2200881612.090680
1973-04-01	2291834510.212790
1973-07-01	2362272858.379000
1973-10-01	2569254488.486600
1974-01-01	2510691198.408750
1974-04-01	2713162869.366230
1974-07-01	2934702137.110710
1974-10-01	2850218128.938440
1975-01-01	2885527207.044480
1975-04-01	3224993247.501580
1975-07-01	2966819320.832970
1975-10-01	2875200811.702040
1976-01-01	3021591817.837450
1976-04-01	3322309949.981400
1976-07-01	3652769135.034230
1976-10-01	3213663971.526940
1977-01-01	3150344928.276820
1977-04-01	3364351390.273620
1977-07-01	3368186874.304780
1977-10-01	3543147208.121830
1978-01-01	3291653998.175740
1978-04-01	3585485155.272440
1978-07-01	3562586498.539140
1978-10-01	3924877936.257740
1979-01-01	4114363307.181650
1979-04-01	4618456078.083410
1979-07-01	4710902255.639100
1979-10-01	5458958517.210940
1980-01-01	5380207185.364780
1980-04-01	5555888859.724770
1980-07-01	5398278135.422320
1980-10-01	5676531529.770510
1981-01-01	5342818164.100570
1981-04-01	5785370327.906440
1981-07-01	5396341463.414630
1981-10-01	5252682852.576300
1982-01-01	5352097370.136930
1982-04-01	5755576500.157080
1982-07-01	5226997479.624240
1982-10-01	5349766822.118590
1983-01-01	4527945619.335350
1983-04-01	4886453309.951780
1983-07-01	4823612210.785610
1983-10-01	5617442952.816750
1984-01-01	5447703410.041190
1984-04-01	5890744920.993230
1984-07-01	5960192902.740220
1984-10-01	5912612333.436630
1985-01-01	5503675096.549150
1985-04-01	5811916407.292130
1985-07-01	5704810444.739230
1985-10-01	5941680960.548890
1986-01-01	5497271854.436460
1986-04-01	5660659591.138970
1986-07-01	5396053937.789540
1986-10-01	6134377629.620040
1987-01-01	5824591227.324580
1987-04-01	6830500798.512620
1987-07-01	6802881186.706600
1987-10-01	7813297137.909250
1988-01-01	7942233079.465440
1988-04-01	7917303161.328740
1988-07-01	8232457776.120200
1988-10-01	9383914089.154870
1989-01-01	8972334245.184580
1989-04-01	9479204433.625110
1989-07-01	9226072355.365590
1989-10-01	9552627467.319410
1990-01-01	9319103358.580060
1990-04-01	9625873857.263580
1990-07-01	10211150013.466200
1990-10-01	10551998750.780800
1991-01-01	10010892398.661800
1991-04-01	10535310444.078900
1991-07-01	10827285542.734800
1991-10-01	11065368349.605800
1992-01-01	9985447611.401040
1992-04-01	10850047996.766500
1992-07-01	10853691209.781500
1992-10-01	11206021965.748300
1993-01-01	9986720091.585580
1993-04-01	10658406669.754500
1993-07-01	10795854691.330500
1993-10-01	11202540077.268100
1994-01-01	10795387553.941600
1994-04-01	11799348062.296300
1994-07-01	11859814460.315100
1994-10-01	12936985473.678900
1995-01-01	12189275391.209000
1995-04-01	12833353532.905100
1995-07-01	13891607354.685600
1995-10-01	14374501197.126900
1996-01-01	14255995158.484000
1996-04-01	15458242019.380600
1996-07-01	15045403100.571200
1996-10-01	15802456037.981100
1997-01-01	14891067538.126400
1997-04-01	17686630276.005200
1997-07-01	16321140701.178400
1997-10-01	16039336853.512900
1998-01-01	13604069935.352000
1998-04-01	14306590737.794200
1998-07-01	13660004383.954700
1998-10-01	14263654501.621100
1999-01-01	12606514699.346000
1999-04-01	13087314017.227900
1999-07-01	14313627689.104800
1999-10-01	16028437238.628300
2000-01-01	15110372955.472400
2000-04-01	15795891917.367100
2000-07-01	16396522071.469500
2000-10-01	16673172116.459400
2001-01-01	15151274307.211400
2001-04-01	16244487744.846700
2001-07-01	16268735793.269600
2001-10-01	15939019604.497600
2002-01-01	14844281692.087100
2002-04-01	16282093663.911800
2002-07-01	16652744085.943100
2002-10-01	17283730269.396000
2003-01-01	16561314041.745700
2003-04-01	16979466513.145300
2003-07-01	17595875383.940300
2003-10-01	19391134227.227200
2004-01-01	19516890942.981900
2004-04-01	21511536538.324200
2004-07-01	22127589142.154500
2004-10-01	24005446842.848500
2005-01-01	22826914609.826200
2005-04-01	27283624907.148900
2005-07-01	27550044286.979600
2005-10-01	28993732504.273300
2006-01-01	27113991424.769600
2006-04-01	31405071796.530900
2006-07-01	32561353948.596400
2006-10-01	33566438954.234900
2007-01-01	31519146593.976900
2007-04-01	35685829062.197000
2007-07-01	36433169574.792500
2007-10-01	38850608762.627000
2008-01-01	38852918992.306500
2008-04-01	50237339285.152900
2008-07-01	54177733282.294400
2008-10-01	44774579639.595400
2009-01-01	36966567361.800700
2009-04-01	36149738034.371900
2009-07-01	38925447730.112500
2009-10-01	42740597177.639200
2010-01-01	42004697097.434700
2010-04-01	54221549850.185100
2010-07-01	56601777911.707100
2010-10-01	60986406872.264100
2011-01-01	57120353922.981500
2011-04-01	69934140641.597600
2011-07-01	74041548630.783800
2011-10-01	70683405892.477500
2012-01-01	61689234340.379100
2012-04-01	66889995625.399600
2012-07-01	64810429001.765900
2012-10-01	64521188201.080200
2013-01-01	60972698017.232400
2013-04-01	65009555189.456300
2013-07-01	63062290076.335900
2013-10-01	65622566891.182100