Quarterly Millions of US Dollars
1968-04-01 15
1971-01-01 40
1971-04-01 40
1971-07-01 2
1971-10-01 2
1972-01-01 96
1972-04-01 102
1972-07-01 50
1972-10-01 45
1973-01-01 97
1973-04-01 87
1973-10-01 13
1974-01-01 144
1974-04-01 27
1974-07-01 256
1974-10-01 164
1975-01-01 643
1975-04-01 523
1975-07-01 311
1975-10-01 526
1976-01-01 862
1976-04-01 904
1976-07-01 569
1976-10-01 654
1977-01-01 495
1977-04-01 301
1977-07-01 227
1977-10-01 796
1978-01-01 417
1978-04-01 513
1978-07-01 382
1978-10-01 68
1979-01-01 494
1979-04-01 619
1979-07-01 485
1979-10-01 489
1980-01-01 53
1980-04-01 568
1980-07-01 410
1980-10-01 958
1981-01-01 874
1981-04-01 378
1981-07-01 259
1981-10-01 553
1982-01-01 1915
1982-04-01 1784
1982-07-01 1811
1982-10-01 1556
1983-01-01 1929
1983-04-01 1749
1983-07-01 556
1983-10-01 1563
1984-01-01 2024
1984-04-01 858
1984-07-01 2597
1984-10-01 1409
1985-01-01 1899
1985-04-01 606
1985-07-01 1909
1985-10-01 -448
1986-01-01 225
1986-04-01 2349
1986-07-01 1463
1986-10-01 1396
1987-01-01 1216
1987-04-01 1693
1987-07-01 42
1987-10-01 -85
1988-01-01 2525
1988-04-01 4123
1988-07-01 2731
1988-10-01 2291
1989-01-01 3494
1989-04-01 2143
1989-07-01 1871
1989-10-01 1034
1990-01-01 2615
1990-04-01 1767
1990-07-01 3324
1990-10-01 1834
1991-01-01 1910
1991-04-01 3641
1991-07-01 2494
1991-10-01 4527
1992-01-01 3833
1992-04-01 1682
1992-07-01 1101
1992-10-01 6341
1993-01-01 2749
1993-04-01 -101
1993-07-01 13886
1993-10-01 3736
1994-01-01 3370
1994-04-01 -67
1994-07-01 2510
1994-10-01 2616
1995-01-01 -428
1995-04-01 236
1995-07-01 1255
1995-10-01 2948
1996-01-01 764
1996-04-01 9262
1996-07-01 3134
1996-10-01 465
1997-01-01 6488
1997-04-01 -734
1997-07-01 4639
1997-10-01 1219
1998-01-01 10814
1998-04-01 4494
1998-07-01 9687
1998-10-01 5317
1999-01-01 13192
1999-04-01 13295
1999-07-01 13529
1999-10-01 13586
2000-01-01 13976
2000-04-01 12387
2000-07-01 20118
2000-10-01 15074
2001-01-01 34247
2001-04-01 15316
2001-07-01 17839
2001-10-01 24492
2002-01-01 4305
2002-04-01 20993
2002-07-01 7439
2002-10-01 20772
2003-01-01 21674
2003-04-01 40797
2003-07-01 22314
2003-10-01 30630
2004-01-01 18300
2004-04-01 33223
2004-07-01 24267
2004-10-01 43294
2005-01-01 39033
2005-04-01 46193
2005-07-01 6023
2005-10-01 41426
2006-01-01 38729
2006-04-01 33214
2006-07-01 32527
2006-10-01 82454
2007-01-01 31210
2007-04-01 85827
2007-07-01 3432
2007-10-01 43414
2008-01-01 18869
2008-04-01 100053
2008-07-01 16360
2008-10-01 -7145
2009-01-01 14806
2009-04-01 98472
2009-07-01 20915
2009-10-01 31831
2010-01-01 57137
2010-04-01 -7975
2010-07-01 32205
2010-10-01 17872
2011-01-01 95583
2011-04-01 14598
2011-07-01 -21797
2011-10-01 7528
2012-01-01 34859
2012-04-01 -22459
2012-07-01 9037
2012-10-01 -6625
2013-01-01 5667
2013-04-01 4135
2013-07-01 -6428
2013-10-01 -15760
2014-01-01 30141
2014-04-01 8852
2014-07-01 7340
2014-10-01 -26170
2015-01-01 1681
2015-04-01 -29471
2015-07-01 -22578
2015-10-01 -7960
2016-01-01 -3045
2016-04-01 21431
2016-07-01 13816
2016-10-01 18376
2017-01-01 9507
2017-04-01 -3674
2017-07-01 -1633
2017-10-01 14757
2018-01-01 -7576
2018-04-01 15871