Quarterly Millions of US Dollars
1972-01-01 20
1972-04-01 60
1972-07-01 60
1972-10-01 60
1973-01-01 62
1973-04-01 64
1973-07-01 64
1973-10-01 61
1974-01-01 61
1974-04-01 61
1974-07-01 70
1974-10-01 71
1975-01-01 73
1975-04-01 74
1975-07-01 71
1975-10-01 71
1976-01-01 70
1976-04-01 70
1976-07-01 69
1976-10-01 83
1977-01-01 83
1977-04-01 85
1977-07-01 110
1977-10-01 112
1978-01-01 205
1978-04-01 210
1978-07-01 285
1978-10-01 327
1979-01-01 399
1979-04-01 395
1979-07-01 508
1979-10-01 503
1980-01-01 496
1980-04-01 613
1980-07-01 640
1980-10-01 642
1981-01-01 636
1981-04-01 624
1981-07-01 621
1981-10-01 627
1982-01-01 599
1982-04-01 595
1982-07-01 565
1982-10-01 578
1983-01-01 565
1983-04-01 664
1983-07-01 666
1983-10-01 667
1984-01-01 651
1984-04-01 644
1984-07-01 639
1984-10-01 735
1985-01-01 736
1985-04-01 736
1985-07-01 792
1985-10-01 707
1986-01-01 709
1986-04-01 729
1986-07-01 748
1986-10-01 769
1987-01-01 900
1987-04-01 1017
1987-07-01 989
1987-10-01 1066
1988-01-01 958
1988-04-01 935
1988-07-01 925
1988-10-01 960
1989-01-01 930
1989-04-01 846
1989-07-01 790
1989-10-01 811
1990-01-01 796
1990-04-01 807
1990-07-01 750
1990-10-01 617
1991-01-01 587
1991-04-01 579
1991-07-01 602
1991-10-01 624
1992-01-01 498
1992-04-01 442
1992-07-01 466
1992-10-01 433
1993-01-01 401
1993-04-01 402
1993-07-01 410
1993-10-01 305
1994-01-01 201
1994-04-01 205
1994-07-01 208
1994-10-01 238
1995-01-01 249
1995-04-01 249
1995-07-01 246
1995-10-01 131
1996-01-01 173
1996-04-01 218
1996-07-01 3503
1996-10-01 3415
1997-01-01 3809
1997-04-01 3817
1997-07-01 4632
1997-10-01 4756
1998-01-01 4755
1998-04-01 5055
1998-07-01 4980
1998-10-01 4366
1999-01-01 4866
1999-04-01 4862
1999-07-01 4861
1999-10-01 4856
2000-01-01 4856
2000-04-01 4826
2000-07-01 5176
2000-10-01 5171
2001-01-01 6186
2001-04-01 6026
2001-07-01 6002
2001-10-01 5634
2002-01-01 5284
2002-04-01 5317
2002-07-01 5410
2002-10-01 5453
2003-01-01 5633
2003-04-01 5643
2003-07-01 5617
2003-10-01 5642
2004-01-01 5817
2004-04-01 5785
2004-07-01 5773
2004-10-01 6405
2005-01-01 6377
2005-04-01 6346
2005-07-01 6741
2005-10-01 7839
2006-01-01 9149
2006-04-01 8538
2006-07-01 8592
2006-10-01 8883
2007-01-01 8883
2007-04-01 9328
2007-07-01 9328
2007-10-01 9805
2008-01-01 9820
2008-04-01 9437
2008-07-01 9436
2008-10-01 9423
2009-01-01 9745
2009-04-01 9748
2009-07-01 9755
2009-10-01 10755
2010-01-01 10758
2010-04-01 10856
2010-07-01 10888
2010-10-01 10749
2011-01-01 10807
2011-04-01 11069
2011-07-01 11910
2011-10-01 12193
2012-01-01 12026
2012-04-01 12411
2012-07-01 12147
2012-10-01 13159
2013-01-01 13432
2013-04-01 14664
2013-07-01 14748
2013-10-01 14999
2014-01-01 15192
2014-04-01 16759
2014-07-01 17951
2014-10-01 17676
2015-01-01 17573
2015-04-01 18031
2015-07-01 18081
2015-10-01 18494
2016-01-01 19201
2016-04-01 19802
2016-07-01 19785
2016-10-01 20102
2017-01-01 20340
2017-04-01 21490
2017-07-01 22572
2017-10-01 22680
2018-01-01 22643
2018-04-01 24565