Quarterly Millions of US Dollars
1971-10-01 31
1972-01-01 82
1972-04-01 40
1972-07-01 51
1972-10-01 145
1973-01-01 95
1973-04-01 25
1973-07-01 76
1973-10-01 109
1974-01-01 5
1974-07-01 2
1974-10-01 75
1975-01-01 130
1975-04-01 147
1975-07-01 49
1975-10-01 62
1976-01-01 62
1976-04-01 193
1976-07-01 131
1976-10-01 272
1977-01-01 319
1977-04-01 612
1977-07-01 877
1977-10-01 1088
1978-01-01 1176
1978-04-01 685
1978-07-01 396
1978-10-01 610
1979-01-01 574
1979-04-01 264
1979-07-01 483
1979-10-01 281
1980-01-01 -47
1980-04-01 551
1980-07-01 288
1980-10-01 262
1981-01-01 170
1981-04-01 781
1981-07-01 480
1981-10-01 870
1982-01-01 613
1982-04-01 -178
1982-07-01 -9
1982-10-01 -93
1983-01-01 -432
1983-04-01 -153
1983-07-01 -42
1983-10-01 -235
1984-01-01 -144
1984-04-01 -153
1984-07-01 -339
1984-10-01 -122
1985-01-01 -24
1985-04-01 -49
1985-07-01 -73
1985-10-01 -1013
1986-01-01 -81
1986-04-01 -376
1986-07-01 -157
1986-10-01 -591
1987-01-01 -512
1987-04-01 -238
1987-07-01 -328
1987-10-01 -556
1988-01-01 -141
1988-04-01 -858
1988-07-01 -828
1988-10-01 -235
1989-01-01 -139
1989-04-01 -90
1989-07-01 728
1989-10-01 -417
1990-01-01 35315
1990-04-01 767
1990-07-01 284
1990-10-01 16385
1991-01-01 1507
1991-04-01 1117
1991-07-01 1052
1991-10-01 2334
1992-01-01 1104
1992-04-01 2121
1992-07-01 1006
1992-10-01 2156
1993-01-01 1101
1993-04-01 21567
1993-07-01 8975
1993-10-01 16184
1994-01-01 7311
1994-04-01 44633
1994-07-01 3009
1994-10-01 2408
1995-01-01 -37
1995-04-01 3704
1995-07-01 6541
1995-10-01 4898
1996-01-01 9018
1996-04-01 11735
1996-07-01 7243
1996-10-01 7711
1997-01-01 14463
1997-04-01 13414
1997-07-01 12393
1997-10-01 -1672
1998-01-01 9444
1998-04-01 13461
1998-07-01 424
1998-10-01 -23072
1999-01-01 1198
1999-04-01 13913
1999-07-01 5095
1999-10-01 8781
2000-01-01 15725
2000-04-01 -2545
2000-07-01 16488
2000-10-01 -3440
2001-01-01 11477
2001-04-01 -4188
2001-07-01 -100
2001-10-01 -3732
2002-01-01 5063
2002-04-01 -4028
2002-07-01 69
2002-10-01 1582
2003-01-01 -3810
2003-04-01 722
2003-07-01 293
2003-10-01 3806
2004-01-01 5367
2004-04-01 -3461
2004-07-01 1225
2004-10-01 3927
2005-01-01 7068
2005-04-01 -29500
2005-07-01 3114
2005-10-01 8105
2006-01-01 4972
2006-04-01 -16559
2006-07-01 4462
2006-10-01 12299
2007-01-01 8565
2007-04-01 16680
2007-07-01 -7665
2007-10-01 7485
2008-01-01 -5107
2008-04-01 4996
2008-07-01 -3469
2008-10-01 -11777
2009-01-01 -710
2009-04-01 -4058
2009-07-01 17514
2009-10-01 32409
2010-01-01 12242
2010-04-01 15358
2010-07-01 23375
2010-10-01 11880
2011-01-01 21013
2011-04-01 18773
2011-07-01 10460
2011-10-01 23620
2012-01-01 36051
2012-04-01 15628
2012-07-01 23041
2012-10-01 25854
2013-01-01 19534
2013-04-01 28313
2013-07-01 21529
2013-10-01 23285
2014-01-01 22902
2014-04-01 35223
2014-07-01 23203
2014-10-01 4659
2015-01-01 5700
2015-04-01 21939
2015-07-01 957
2015-10-01 -2311
2016-01-01 18515
2016-04-01 28280
2016-07-01 16185
2016-10-01 18184
2017-01-01 22761
2017-04-01 18441
2017-07-01 29925
2017-10-01 13770
2018-01-01 20490
2018-04-01 -6069