Quarterly Millions of US Dollars
1972-04-01 37
1972-10-01 50
1973-04-01 37
1973-10-01 20
1974-01-01 16
1974-04-01 17
1974-10-01 19
1975-01-01 25
1975-10-01 18
1976-04-01 13
1976-07-01 398
1976-10-01 52
1977-01-01 88
1977-04-01 37
1977-07-01 87
1977-10-01 46
1978-01-01 180
1978-04-01 146
1978-07-01 130
1978-10-01 128
1979-01-01 273
1979-04-01 108
1979-07-01 216
1980-04-01 51
1980-07-01 142
1980-10-01 47
1981-04-01 63
1981-07-01 146
1981-10-01 175
1982-01-01 445
1982-04-01 290
1982-07-01 37
1982-10-01 487
1983-01-01 53
1983-04-01 238
1983-07-01 1333
1983-10-01 179
1984-01-01 421
1984-04-01 42
1984-07-01 378
1984-10-01 1086
1985-01-01 735
1985-04-01 1512
1985-07-01 658
1985-10-01 2013
1986-01-01 1334
1986-04-01 534
1986-07-01 191
1986-10-01 260
1987-01-01 320
1987-04-01 230
1987-07-01 493
1987-10-01 473
1988-01-01 -71
1988-04-01 -127
1988-07-01 828
1988-10-01 375
1989-01-01 -76
1989-04-01 -23
1989-07-01 -110
1989-10-01 717
1990-01-01 228
1990-04-01 310
1990-07-01 497
1990-10-01 180
1991-01-01 724
1991-04-01 1778
1991-07-01 146
1991-10-01 484
1992-01-01 478
1992-04-01 114
1992-07-01 1395
1992-10-01 2972
1993-01-01 107
1993-04-01 1204
1993-07-01 1875
1993-10-01 4889
1994-01-01 3500
1994-04-01 3945
1994-07-01 4355
1994-10-01 1560
1995-01-01 996
1995-04-01 2013
1995-07-01 6076
1995-10-01 3121
1996-01-01 4320
1996-04-01 5813
1996-07-01 10433
1996-10-01 12025
1997-01-01 6477
1997-04-01 9480
1997-07-01 7764
1997-10-01 1623
1998-01-01 -629
1998-04-01 4556
1998-07-01 -3373
1998-10-01 -1359
1999-01-01 230
1999-04-01 252
1999-07-01 -3387
1999-10-01 -100
2000-01-01 3471
2000-04-01 -1662
2000-07-01 -1049
2000-10-01 63
2001-01-01 -2702
2001-04-01 1985
2001-07-01 -3601
2001-10-01 2446
2002-01-01 2392
2002-04-01 5854
2002-07-01 3332
2002-10-01 2343
2003-01-01 2340
2003-04-01 4399
2003-07-01 5375
2003-10-01 3191
2004-01-01 8021
2004-04-01 6257
2004-07-01 4901
2004-10-01 6789
2005-01-01 5880
2005-04-01 5719
2005-07-01 5051
2005-10-01 6113
2006-01-01 9886
2006-04-01 4442
2006-07-01 7284
2006-10-01 4706
2007-01-01 7767
2007-04-01 12247
2007-07-01 1427
2007-10-01 5474
2008-01-01 4026
2008-04-01 2678
2008-07-01 -103
2008-10-01 -10825
2009-01-01 5500
2009-04-01 7094
2009-07-01 12604
2009-10-01 4781
2010-01-01 4741
2010-04-01 2307
2010-07-01 4567
2010-10-01 10385
2011-01-01 9632
2011-04-01 10827
2011-07-01 6797
2011-10-01 5084
2012-01-01 13467
2012-04-01 16350
2012-07-01 14946
2012-10-01 6781
2013-01-01 10244
2013-04-01 13397
2013-07-01 19806
2013-10-01 15679
2014-01-01 13653
2014-04-01 13157
2014-07-01 6414
2014-10-01 47301
2015-01-01 13526
2015-04-01 20010
2015-07-01 14262
2015-10-01 8159
2016-01-01 8695
2016-04-01 20326
2016-07-01 15846
2016-10-01 15350
2017-01-01 24291
2017-04-01 11968
2017-07-01 28316
2017-10-01 36516
2018-01-01 22579
2018-04-01 16924