Quarter	Millions of US Dollars
1952-07-01	172991
1952-10-01	178864
1953-01-01	177937
1953-04-01	179997
1953-07-01	187024
1953-10-01	191896
1954-01-01	189508
1954-04-01	190222
1954-07-01	193876
1954-10-01	200833
1955-01-01	198100
1955-04-01	200023
1955-07-01	205051
1955-10-01	210559
1956-01-01	208059
1956-04-01	203957
1956-07-01	206346
1956-10-01	211593
1957-01-01	212227
1957-04-01	208467
1957-07-01	215704
1957-10-01	220240
1958-01-01	221002
1958-04-01	224869
1958-07-01	227532
1958-10-01	237003
1959-01-01	239004
1959-04-01	241708
1959-07-01	248590
1959-10-01	254879
1960-01-01	253663
1960-04-01	253151
1960-07-01	256682
1960-10-01	260674
1961-01-01	259874
1961-04-01	261054
1961-07-01	267379
1961-10-01	273309
1962-01-01	275855
1962-04-01	276622
1962-07-01	279251
1962-10-01	286349
1963-01-01	288187
1963-04-01	289721
1963-07-01	291117
1963-10-01	295978
1964-01-01	297636
1964-04-01	297801
1964-07-01	301918
1964-10-01	307836
1965-01-01	309476
1965-04-01	307519
1965-07-01	309554
1965-10-01	317671
1966-01-01	320102
1966-04-01	317897
1966-07-01	321217
1966-10-01	328683
1967-01-01	333273
1967-04-01	327965
1967-07-01	337878
1967-10-01	348453
1968-01-01	355465
1968-04-01	353371
1968-07-01	363356
1968-10-01	370282
1969-01-01	374625
1969-04-01	366496
1969-07-01	372633
1969-10-01	378414
1970-01-01	382432
1970-04-01	379696
1970-07-01	388911
1970-10-01	401289
1971-01-01	404577
1971-04-01	406572
1971-07-01	414500
1971-10-01	430634
1972-01-01	438175
1972-04-01	433364
1972-07-01	437757
1972-10-01	452621
1973-01-01	457204
1973-04-01	453036
1973-07-01	456327
1973-10-01	468440
1974-01-01	476097
1974-04-01	473038
1974-07-01	482467
1974-10-01	493738
1975-01-01	511980
1975-04-01	530487
1975-07-01	555520
1975-10-01	584642
1976-01-01	610681
1976-04-01	626764
1976-07-01	645035
1976-10-01	659622
1977-01-01	674518
1977-04-01	679719
1977-07-01	695908
1977-10-01	715629
1978-01-01	741315
1978-04-01	753206
1978-07-01	770120
1978-10-01	782906
1979-01-01	801356
1979-04-01	807373
1979-07-01	822338
1979-10-01	851222
1980-01-01	881742
1980-04-01	897144
1980-07-01	931380
1980-10-01	964483
1981-01-01	1007198
1981-04-01	1011764
1981-07-01	1043538
1981-10-01	1087624
1982-01-01	1127166
1982-04-01	1150504
1982-07-01	1221441
1982-10-01	1288814
1983-01-01	1352818
1983-04-01	1410318
1983-07-01	1466613
1983-10-01	1504410
1984-01-01	1561831
1984-04-01	1606900
1984-07-01	1672872
1984-10-01	1745637
1985-01-01	1791039
1985-04-01	1853180
1985-07-01	1927098
1985-10-01	2091978
1986-01-01	2129144
1986-04-01	2185467
1986-07-01	2268002
1986-10-01	2347441
1987-01-01	2393670
1987-04-01	2433950
1987-07-01	2475481
1987-10-01	2547512
1988-01-01	2590514
1988-04-01	2614924
1988-07-01	2676748
1988-10-01	2727847
1989-01-01	2786582
1989-04-01	2800844
1989-07-01	2835446
1989-10-01	2901200
1990-01-01	2976559
1990-04-01	3021783
1990-07-01	3096154
1990-10-01	3205922
1991-01-01	3245683
1991-04-01	3302364
1991-07-01	3446221
1991-10-01	3558780
1992-01-01	3638557
1992-04-01	3701096
1992-07-01	3789368
1992-10-01	3858121
1993-01-01	3929548
1993-04-01	4009777
1993-07-01	4073193
1993-10-01	4159947
1994-01-01	4209997
1994-04-01	4206513
1994-07-01	4235404
1994-10-01	4250726
1995-01-01	4336896
1995-04-01	4353889
1995-07-01	4335972
1995-10-01	4372443
1996-01-01	4434993
1996-04-01	4410147
1996-07-01	4460048
1996-10-01	4507643
1997-01-01	4554744
1997-04-01	4496256
1997-07-01	4510802
1997-10-01	4550303
1998-01-01	4579791
1998-04-01	4505948
1998-07-01	4471378
1998-10-01	4517597
1999-01-01	4542126
1999-04-01	4441835
1999-07-01	4427843
1999-10-01	4481785
2000-01-01	4464822
2000-04-01	4281674
2000-07-01	4197027
2000-10-01	4183241
2001-01-01	4260865
2001-04-01	4133192
2001-07-01	4214052
2001-10-01	4304160
2002-01-01	4377512
2002-04-01	4445268
2002-07-01	4553302
2002-10-01	4670837
2003-01-01	4823957
2003-04-01	4926064
2003-07-01	5016538
2003-10-01	5158805
2004-01-01	6076346
2004-04-01	6172657
2004-07-01	6297900
2004-10-01	6455992
2005-01-01	6655231
2005-04-01	6630062
2005-07-01	6710058
2005-10-01	6846449
2006-01-01	7008419
2006-04-01	6960253
2006-07-01	7027929
2006-10-01	7120190
2007-01-01	7306036
2007-04-01	7224740
2007-07-01	7350099
2007-10-01	7484807
2008-01-01	7704950
2008-04-01	7676976
2008-07-01	8210300
2008-10-01	8786182
2009-01-01	9281893
2009-04-01	9660567
2009-07-01	10078511
2009-10-01	10398446
2010-01-01	10909263
2010-04-01	11248544
2010-07-01	11649403
2010-10-01	12067745
2011-01-01	12318358
2011-04-01	12487220
2011-07-01	12770587
2011-10-01	13101326
2012-01-01	13503331
2012-04-01	13670605
2012-07-01	13916462
2012-10-01	14216014
2013-01-01	14567519
2013-04-01	14546236
2013-07-01	14719388
2013-10-01	14802190
2014-01-01	15231533
2014-04-01	15176045
2014-07-01	15355096
2014-10-01	15586497
2015-01-01	15733205
2015-04-01	15805981
2015-07-01	15938743
2015-10-01	16283750
2016-01-01	16539384
2016-04-01	16544654
2016-07-01	16767786
2016-10-01	17029079
2017-01-01	17060783
2017-04-01	17099095
2017-07-01	17273663
2017-10-01	17583892
2018-01-01	18029484