Quarter	Millions of US Dollars
1952-07-01	227341
1952-10-01	234302
1953-01-01	234668
1953-04-01	238337
1953-07-01	246653
1953-10-01	253551
1954-01-01	252735
1954-04-01	254816
1954-07-01	260162
1954-10-01	267170
1955-01-01	265195
1955-04-01	268105
1955-07-01	273855
1955-10-01	280817
1956-01-01	279921
1956-04-01	277307
1956-07-01	281293
1956-10-01	287375
1957-01-01	291121
1957-04-01	289379
1957-07-01	299112
1957-10-01	305772
1958-01-01	311748
1958-04-01	317483
1958-07-01	320717
1958-10-01	330708
1959-01-01	333892
1959-04-01	338203
1959-07-01	345946
1959-10-01	353432
1960-01-01	355189
1960-04-01	357462
1960-07-01	363699
1960-10-01	372365
1961-01-01	373022
1961-04-01	377828
1961-07-01	386519
1961-10-01	394118
1962-01-01	400934
1962-04-01	404078
1962-07-01	407696
1962-10-01	417276
1963-01-01	422463
1963-04-01	426600
1963-07-01	429656
1963-10-01	438847
1964-01-01	444696
1964-04-01	448376
1964-07-01	454942
1964-10-01	465268
1965-01-01	471197
1965-04-01	473903
1965-07-01	479623
1965-10-01	490085
1966-01-01	500003
1966-04-01	504046
1966-07-01	512516
1966-10-01	525291
1967-01-01	538941
1967-04-01	537531
1967-07-01	552780
1967-10-01	570866
1968-01-01	584879
1968-04-01	586544
1968-07-01	605159
1968-10-01	620883
1969-01-01	628197
1969-04-01	625489
1969-07-01	635687
1969-10-01	649173
1970-01-01	666530
1970-04-01	676619
1970-07-01	703981
1970-10-01	730465
1971-01-01	745819
1971-04-01	752897
1971-07-01	773673
1971-10-01	802710
1972-01-01	819024
1972-04-01	828488
1972-07-01	844493
1972-10-01	873641
1973-01-01	896672
1973-04-01	912439
1973-07-01	948961
1973-10-01	973566
1974-01-01	998158
1974-04-01	1029562
1974-07-01	1074551
1974-10-01	1107376
1975-01-01	1140794
1975-04-01	1158727
1975-07-01	1189112
1975-10-01	1237466
1976-01-01	1265925
1976-04-01	1294291
1976-07-01	1321006
1976-10-01	1355300
1977-01-01	1387923
1977-04-01	1417304
1977-07-01	1458792
1977-10-01	1524388
1978-01-01	1580628
1978-04-01	1629648
1978-07-01	1675897
1978-10-01	1738712
1979-01-01	1789018
1979-04-01	1823195
1979-07-01	1883310
1979-10-01	1957978
1980-01-01	2034029
1980-04-01	2082626
1980-07-01	2147874
1980-10-01	2242592
1981-01-01	2315912
1981-04-01	2384410
1981-07-01	2484949
1981-10-01	2591530
1982-01-01	2689228
1982-04-01	2788785
1982-07-01	2909474
1982-10-01	2999008
1983-01-01	3042032
1983-04-01	3159270
1983-07-01	3282940
1983-10-01	3370967
1984-01-01	3488488
1984-04-01	3634068
1984-07-01	3792801
1984-10-01	3973078
1985-01-01	4091143
1985-04-01	4220093
1985-07-01	4382899
1985-10-01	4666793
1986-01-01	4788969
1986-04-01	4942634
1986-07-01	5152791
1986-10-01	5352569
1987-01-01	5498641
1987-04-01	5670740
1987-07-01	5825039
1987-10-01	6001169
1988-01-01	6103988
1988-04-01	6234307
1988-07-01	6409769
1988-10-01	6587350
1989-01-01	6790249
1989-04-01	6886109
1989-07-01	6977950
1989-10-01	7138473
1990-01-01	7257326
1990-04-01	7353276
1990-07-01	7477240
1990-10-01	7672132
1991-01-01	7754454
1991-04-01	7834523
1991-07-01	8034632
1991-10-01	8200511
1992-01-01	8340805
1992-04-01	8471610
1992-07-01	8631898
1992-10-01	8763605
1993-01-01	8924214
1993-04-01	9103928
1993-07-01	9311171
1993-10-01	9537524
1994-01-01	9765705
1994-04-01	9896925
1994-07-01	10066268
1994-10-01	10246159
1995-01-01	10463335
1995-04-01	10646973
1995-07-01	10766940
1995-10-01	10952774
1996-01-01	11151056
1996-04-01	11339314
1996-07-01	11536187
1996-10-01	11762847
1997-01-01	11936955
1997-04-01	12109342
1997-07-01	12308903
1997-10-01	12569407
1998-01-01	12918957
1998-04-01	13152088
1998-07-01	13379671
1998-10-01	13703809
1999-01-01	14073467
1999-04-01	14282992
1999-07-01	14602401
1999-10-01	14993289
2000-01-01	15217650
2000-04-01	15323390
2000-07-01	15521655
2000-10-01	15806310
2001-01-01	16252230
2001-04-01	16337807
2001-07-01	16699537
2001-10-01	17105934
2002-01-01	17474444
2002-04-01	17740659
2002-07-01	18016404
2002-10-01	18400394
2003-01-01	18885351
2003-04-01	19218274
2003-07-01	19597050
2003-10-01	19878628
2004-01-01	21154861
2004-04-01	21478750
2004-07-01	21902000
2004-10-01	22369384
2005-01-01	22905458
2005-04-01	23233065
2005-07-01	23507179
2005-10-01	24080276
2006-01-01	24690112
2006-04-01	25139832
2006-07-01	25566571
2006-10-01	26099568
2007-01-01	26917064
2007-04-01	27362465
2007-07-01	28061971
2007-10-01	28693412
2008-01-01	29188800
2008-04-01	29498972
2008-07-01	29974683
2008-10-01	30393723
2009-01-01	31082320
2009-04-01	31154522
2009-07-01	31194944
2009-10-01	31255644
2010-01-01	31024545
2010-04-01	31066875
2010-07-01	31479796
2010-10-01	31952214
2011-01-01	32243306
2011-04-01	32346278
2011-07-01	32398392
2011-10-01	32645168
2012-01-01	32968219
2012-04-01	33019919
2012-07-01	33427631
2012-10-01	33753940
2013-01-01	34151882
2013-04-01	34145299
2013-07-01	34471039
2013-10-01	34731549
2014-01-01	35220183
2014-04-01	35318763
2014-07-01	35622992
2014-10-01	36167347
2015-01-01	36313301
2015-04-01	36593707
2015-07-01	36884408
2015-10-01	37095200
2016-01-01	37591012
2016-04-01	37728630
2016-07-01	38030200
2016-10-01	38293410
2017-01-01	38542188
2017-04-01	38764171
2017-07-01	39145976
2017-10-01	39509246
2018-01-01	40105979