Quarterly Millions of US Dollars
1972-04-01 0
1972-07-01 0
1972-10-01 0
1973-01-01 0
1973-04-01 0
1973-07-01 0
1973-10-01 0
1974-01-01 0
1974-04-01 0
1974-07-01 0
1974-10-01 0
1975-01-01 0
1975-04-01 0
1975-07-01 0
1975-10-01 0
1976-01-01 0
1976-04-01 0
1976-07-01 0
1976-10-01 0
1977-01-01 0
1977-04-01 0
1977-07-01 0
1977-10-01 0
1978-01-01 0
1978-04-01 18
1978-07-01 18
1978-10-01 18
1979-01-01 18
1979-04-01 25
1979-07-01 26
1979-10-01 26
1980-01-01 24
1980-04-01 0
1980-07-01 0
1980-10-01 0
1981-01-01 0
1981-04-01 0
1981-07-01 0
1981-10-01 0
1982-01-01 63
1982-04-01 63
1982-07-01 62
1982-10-01 63
1983-01-01 51
1983-04-01 83
1983-07-01 158
1983-10-01 154
1984-01-01 147
1984-04-01 108
1984-07-01 96
1984-10-01 259
1985-01-01 240
1985-04-01 282
1985-07-01 385
1985-10-01 277
1986-01-01 281
1986-04-01 304
1986-07-01 158
1986-10-01 101
1987-01-01 192
1987-04-01 550
1987-07-01 625
1987-10-01 706
1988-01-01 762
1988-04-01 539
1988-07-01 706
1988-10-01 791
1989-01-01 742
1989-04-01 729
1989-07-01 688
1989-10-01 1020
1990-01-01 835
1990-04-01 647
1990-07-01 625
1990-10-01 405
1991-01-01 498
1991-04-01 630
1991-07-01 529
1991-10-01 1664
1992-01-01 1547
1992-04-01 1436
1992-07-01 2869
1992-10-01 2105
1993-01-01 2021
1993-04-01 2605
1993-07-01 1732
1993-10-01 1651
1994-01-01 1817
1994-04-01 1770
1994-07-01 1443
1994-10-01 1052
1995-01-01 1334
1995-04-01 715
1995-07-01 572
1995-10-01 489
1996-01-01 431
1996-04-01 504
1996-07-01 615
1996-10-01 416
1997-01-01 820
1997-04-01 807
1997-07-01 982
1997-10-01 970
1998-01-01 500
1998-04-01 589
1998-07-01 769
1998-10-01 1973
1999-01-01 2549
1999-04-01 2894
1999-07-01 2680
1999-10-01 1430
2000-01-01 1125
2000-04-01 1251
2000-07-01 1415
2000-10-01 1966
2001-01-01 2014
2001-04-01 3160
2001-07-01 2632
2001-10-01 3608
2002-01-01 3479
2002-04-01 3536
2002-07-01 4967
2002-10-01 4425
2003-01-01 6228
2003-04-01 5371
2003-07-01 5814
2003-10-01 5463
2004-01-01 2957
2004-04-01 2595
2004-07-01 2233
2004-10-01 3317
2005-01-01 3147
2005-04-01 4472
2005-07-01 3832
2005-10-01 3937
2006-01-01 4689
2006-04-01 5107
2006-07-01 4945
2006-10-01 3294
2007-01-01 3295
2007-04-01 5635
2007-07-01 5220
2007-10-01 6346
2008-01-01 7947
2008-04-01 4915
2008-07-01 4989
2008-10-01 3922
2009-01-01 3715
2009-04-01 2290
2009-07-01 2212
2009-10-01 2067
2010-01-01 2112
2010-04-01 3891
2010-07-01 5800
2010-10-01 5862
2011-01-01 4519
2011-04-01 2734
2011-07-01 863
2011-10-01 1689
2012-01-01 2476
2012-04-01 3724
2012-07-01 4849
2012-10-01 4674
2013-01-01 6657
2013-04-01 9505
2013-07-01 11311
2013-10-01 11393
2014-01-01 9868
2014-04-01 10609
2014-07-01 7609
2014-10-01 7729
2015-01-01 9876
2015-04-01 5290
2015-07-01 8138
2015-10-01 9682
2016-01-01 7884
2016-04-01 11459
2016-07-01 8855
2016-10-01 6704
2017-01-01 7127
2017-04-01 3665
2017-07-01 4618
2017-10-01 6054
2018-01-01 9746
2018-04-01 15899