Quarterly Millions of US Dollars
1972-10-01 50
1973-01-01 50
1973-04-01 50
1973-07-01 50
1973-10-01 50
1974-01-01 50
1974-04-01 67
1974-07-01 67
1974-10-01 67
1975-01-01 68
1975-04-01 67
1975-07-01 67
1975-10-01 67
1976-01-01 67
1976-04-01 67
1976-07-01 434
1976-10-01 446
1977-01-01 484
1977-04-01 521
1977-07-01 565
1977-10-01 574
1978-01-01 697
1978-04-01 705
1978-07-01 748
1978-10-01 829
1979-01-01 839
1979-04-01 862
1979-07-01 964
1979-10-01 950
1980-01-01 924
1980-04-01 969
1980-07-01 1044
1980-10-01 1046
1981-01-01 1026
1981-04-01 989
1981-07-01 984
1981-10-01 1062
1982-01-01 1043
1982-04-01 1029
1982-07-01 1010
1982-10-01 1060
1983-01-01 1034
1983-04-01 1029
1983-07-01 1032
1983-10-01 1034
1984-01-01 1028
1984-04-01 1002
1984-07-01 950
1984-10-01 940
1985-01-01 909
1985-04-01 911
1985-07-01 963
1985-10-01 936
1986-01-01 965
1986-04-01 1005
1986-07-01 933
1986-10-01 833
1987-01-01 870
1987-04-01 799
1987-07-01 788
1987-10-01 861
1988-01-01 742
1988-04-01 718
1988-07-01 682
1988-10-01 655
1989-01-01 582
1989-04-01 560
1989-07-01 498
1989-10-01 490
1990-01-01 468
1990-04-01 1313
1990-07-01 1250
1990-10-01 1254
1991-01-01 1248
1991-04-01 1251
1991-07-01 1258
1991-10-01 1150
1992-01-01 938
1992-04-01 942
1992-07-01 946
1992-10-01 4291
1993-01-01 4448
1993-04-01 4455
1993-07-01 4761
1993-10-01 5470
1994-01-01 5616
1994-04-01 6028
1994-07-01 6311
1994-10-01 6644
1995-01-01 6652
1995-04-01 6670
1995-07-01 7220
1995-10-01 7482
1996-01-01 7448
1996-04-01 8333
1996-07-01 9261
1996-10-01 11164
1997-01-01 12241
1997-04-01 13345
1997-07-01 14494
1997-10-01 14114
1998-01-01 14834
1998-04-01 15508
1998-07-01 15035
1998-10-01 14644
1999-01-01 15797
1999-04-01 16522
1999-07-01 17676
1999-10-01 18039
2000-01-01 19585
2000-04-01 19160
2000-07-01 19195
2000-10-01 18694
2001-01-01 17667
2001-04-01 17920
2001-07-01 17791
2001-10-01 18668
2002-01-01 20285
2002-04-01 21382
2002-07-01 21681
2002-10-01 22624
2003-01-01 23873
2003-04-01 24715
2003-07-01 25380
2003-10-01 26678
2004-01-01 26959
2004-04-01 27013
2004-07-01 27990
2004-10-01 28091
2005-01-01 29297
2005-04-01 29819
2005-07-01 30728
2005-10-01 29534
2006-01-01 32007
2006-04-01 31421
2006-07-01 32879
2006-10-01 32064
2007-01-01 33196
2007-04-01 33038
2007-07-01 32783
2007-10-01 32467
2008-01-01 33099
2008-04-01 31984
2008-07-01 31957
2008-10-01 31846
2009-01-01 32152
2009-04-01 33122
2009-07-01 34524
2009-10-01 36176
2010-01-01 37131
2010-04-01 37173
2010-07-01 38774
2010-10-01 39930
2011-01-01 41948
2011-04-01 43114
2011-07-01 42671
2011-10-01 41664
2012-01-01 43908
2012-04-01 44335
2012-07-01 44192
2012-10-01 45179
2013-01-01 45176
2013-04-01 46257
2013-07-01 45882
2013-10-01 46199
2014-01-01 46001
2014-04-01 46830
2014-07-01 46173
2014-10-01 46031
2015-01-01 48536
2015-04-01 48660
2015-07-01 49017
2015-10-01 49212
2016-01-01 50079
2016-04-01 49484
2016-07-01 49417
2016-10-01 48660
2017-01-01 47855
2017-04-01 47821
2017-07-01 49090
2017-10-01 48523
2018-01-01 52150
2018-04-01 52315