Quarterly Millions of US Dollars
1972-01-01 50
1972-04-01 35
1972-07-01 101
1972-10-01 16
1974-04-01 17
1974-07-01 105
1974-10-01 25
1975-01-01 209
1975-04-01 356
1975-10-01 38
1976-01-01 93
1976-04-01 283
1976-07-01 400
1976-10-01 280
1977-01-01 68
1977-04-01 86
1977-07-01 484
1977-10-01 356
1978-01-01 584
1978-04-01 250
1978-07-01 371
1978-10-01 261
1979-01-01 268
1979-04-01 111
1979-07-01 13
1979-10-01 154
1980-01-01 225
1980-04-01 -105
1980-07-01 103
1980-10-01 30
1981-01-01 90
1981-04-01 83
1981-07-01 82
1981-10-01 428
1982-01-01 58
1982-04-01 117
1982-07-01 830
1982-10-01 301
1983-01-01 180
1983-04-01 -35
1983-07-01 446
1983-10-01 655
1984-01-01 650
1984-04-01 542
1984-07-01 315
1984-10-01 796
1985-01-01 794
1985-04-01 1157
1985-07-01 1900
1985-10-01 1335
1986-01-01 2086
1986-04-01 1992
1986-07-01 1433
1986-10-01 1954
1987-01-01 896
1987-04-01 1605
1987-07-01 1614
1987-10-01 333
1988-01-01 973
1988-04-01 2035
1988-07-01 1724
1988-10-01 2573
1989-01-01 2686
1989-04-01 1375
1989-07-01 1540
1989-10-01 -356
1990-01-01 362
1990-04-01 693
1990-07-01 172
1990-10-01 -531
1991-01-01 236
1991-04-01 -152
1991-07-01 334
1991-10-01 -312
1992-01-01 -211
1992-04-01 -1747
1992-07-01 -1508
1992-10-01 -661
1993-01-01 -1562
1993-04-01 -925
1993-07-01 20171
1993-10-01 150
1994-01-01 2846
1994-04-01 -1664
1994-07-01 2349
1994-10-01 1674
1995-01-01 3331
1995-04-01 468
1995-07-01 4030
1995-10-01 1324
1996-01-01 2935
1996-04-01 3177
1996-07-01 6679
1996-10-01 2390
1997-01-01 4758
1997-04-01 2606
1997-07-01 2419
1997-10-01 -6039
1998-01-01 3651
1998-04-01 -891
1998-07-01 3893
1998-10-01 -2079
1999-01-01 6835
1999-04-01 -4129
1999-07-01 8340
1999-10-01 2327
2000-01-01 4723
2000-04-01 2537
2000-07-01 3922
2000-10-01 1925
2001-01-01 2148
2001-04-01 5533
2001-07-01 4536
2001-10-01 983
2002-01-01 3414
2002-04-01 7407
2002-07-01 4013
2002-10-01 4029
2003-01-01 6832
2003-04-01 10119
2003-07-01 8977
2003-10-01 17622
2004-01-01 19413
2004-04-01 9338
2004-07-01 21807
2004-10-01 8149
2005-01-01 8227
2005-04-01 15290
2005-07-01 854
2005-10-01 10434
2006-01-01 22306
2006-04-01 18201
2006-07-01 16016
2006-10-01 21837
2007-01-01 14688
2007-04-01 26544
2007-07-01 1795
2007-10-01 -8979
2008-01-01 41433
2008-04-01 6158
2008-07-01 -20597
2008-10-01 -27798
2009-01-01 -11464
2009-04-01 21093
2009-07-01 24316
2009-10-01 30148
2010-01-01 15033
2010-04-01 -3905
2010-07-01 15488
2010-10-01 5268
2011-01-01 -2385
2011-04-01 14843
2011-07-01 -7158
2011-10-01 -6318
2012-01-01 17355
2012-04-01 -527
2012-07-01 22654
2012-10-01 4853
2013-01-01 11347
2013-04-01 2758
2013-07-01 13164
2013-10-01 15326
2014-01-01 1294
2014-04-01 13020
2014-07-01 -4546
2014-10-01 968
2015-01-01 5346
2015-04-01 7082
2015-07-01 -16054
2015-10-01 11004
2016-01-01 11354
2016-04-01 12616
2016-07-01 7679
2016-10-01 -10702
2017-01-01 -2897
2017-04-01 -3598
2017-07-01 1544
2017-10-01 -3760
2018-01-01 18296
2018-04-01 5984