Quarterly Millions of US Dollars
1971-01-01 46
1971-04-01 31
1971-07-01 31
1972-04-01 32
1973-04-01 14
1973-07-01 41
1973-10-01 35
1974-01-01 32
1974-04-01 92
1974-10-01 173
1975-01-01 417
1975-04-01 443
1975-07-01 231
1975-10-01 456
1976-01-01 766
1976-04-01 729
1976-07-01 220
1976-10-01 372
1977-01-01 603
1977-04-01 566
1977-07-01 340
1977-10-01 447
1978-01-01 493
1978-04-01 632
1978-07-01 815
1978-10-01 811
1979-01-01 1286
1979-04-01 1185
1979-07-01 1001
1979-10-01 274
1980-01-01 299
1980-04-01 447
1980-07-01 866
1980-10-01 1058
1981-01-01 420
1981-04-01 664
1981-07-01 1640
1981-10-01 921
1982-01-01 1170
1982-04-01 800
1982-07-01 1151
1982-10-01 1499
1983-01-01 2491
1983-04-01 2827
1983-07-01 1739
1983-10-01 2764
1984-01-01 3967
1984-04-01 2904
1984-07-01 3176
1984-10-01 2523
1985-01-01 5034
1985-04-01 3365
1985-07-01 4550
1985-10-01 4065
1986-01-01 3994
1986-04-01 7627
1986-07-01 6709
1986-10-01 7669
1987-01-01 6935
1987-04-01 10450
1987-07-01 14330
1987-10-01 4105
1988-01-01 5958
1988-04-01 8243
1988-07-01 17406
1988-10-01 7704
1989-01-01 19601
1989-04-01 29711
1989-07-01 14931
1989-10-01 19491
1990-01-01 10401
1990-04-01 185
1990-07-01 15500
1990-10-01 11229
1991-01-01 11819
1991-04-01 10500
1991-07-01 12273
1991-10-01 9212
1992-01-01 2393
1992-04-01 -195
1992-07-01 -5304
1992-10-01 3149
1993-01-01 -14374
1993-04-01 -18870
1993-07-01 674
1993-10-01 -2394
1994-01-01 -756
1994-04-01 -1802
1994-07-01 -162
1994-10-01 -4492
1995-01-01 -1322
1995-04-01 3511
1995-07-01 -9752
1995-10-01 2610
1996-01-01 2387
1996-04-01 4969
1996-07-01 7084
1996-10-01 3414
1997-01-01 2904
1997-04-01 -1667
1997-07-01 8830
1997-10-01 -9628
1998-01-01 -7919
1998-04-01 -8334
1998-07-01 -3031
1998-10-01 -1638
1999-01-01 -332
1999-04-01 3226
1999-07-01 6516
1999-10-01 -7590
2000-01-01 -12124
2000-04-01 -817
2000-07-01 -8116
2000-10-01 -5921
2001-01-01 -5436
2001-04-01 889
2001-07-01 -6436
2001-10-01 -1168
2002-01-01 -7797
2002-04-01 3186
2002-07-01 -6221
2002-10-01 -10345
2003-01-01 -3696
2003-04-01 -1779
2003-07-01 -4596
2003-10-01 7401
2004-01-01 5551
2004-04-01 9876
2004-07-01 671
2004-10-01 -1643
2005-01-01 5046
2005-04-01 -3010
2005-07-01 2947
2005-10-01 -2627
2006-01-01 11872
2006-04-01 7188
2006-07-01 7787
2006-10-01 9633
2007-01-01 6060
2007-04-01 9646
2007-07-01 -1286
2007-10-01 10363
2008-01-01 2944
2008-04-01 9648
2008-07-01 -4605
2008-10-01 -3750
2009-01-01 -1971
2009-04-01 -9102
2009-07-01 1154
2009-10-01 -3689
2010-01-01 -2043
2010-04-01 -20009
2010-07-01 11031
2010-10-01 -2440
2011-01-01 2040
2011-04-01 -15685
2011-07-01 -952
2011-10-01 -5465
2012-01-01 15123
2012-04-01 -3239
2012-07-01 12568
2012-10-01 976
2013-01-01 8699
2013-04-01 8830
2013-07-01 17376
2013-10-01 12686
2014-01-01 1770
2014-04-01 13743
2014-07-01 18043
2014-10-01 8425
2015-01-01 3944
2015-04-01 4629
2015-07-01 8861
2015-10-01 14192
2016-01-01 15786
2016-04-01 8250
2016-07-01 2188
2016-10-01 8479
2017-01-01 18534
2017-04-01 13397
2017-07-01 45908
2017-10-01 15000
2018-01-01 1209
2018-04-01 8519