Quarterly Millions of US Dollars
1974-10-01 19
1976-04-01 10
1976-07-01 24
1976-10-01 40
1977-01-01 25
1977-10-01 46
1978-01-01 42
1978-04-01 14
1979-01-01 44
1979-07-01 -25
1980-10-01 47
1981-07-01 103
1981-10-01 -41
1982-01-01 16
1983-04-01 6
1983-07-01 70
1983-10-01 72
1984-01-01 44
1984-04-01 115
1984-07-01 190
1984-10-01 362
1985-01-01 100
1985-04-01 477
1985-07-01 343
1985-10-01 444
1986-01-01 409
1986-04-01 204
1986-07-01 20
1986-10-01 125
1987-01-01 -25
1987-04-01 26
1987-07-01 205
1987-10-01 50
1988-01-01 -428
1988-04-01 -95
1988-07-01 50
1988-10-01 60
1989-01-01 -110
1989-04-01 -95
1989-07-01 -36
1989-10-01 126
1990-01-01 248
1990-04-01 -224
1990-07-01 58
1990-10-01 -133
1991-01-01 656
1991-04-01 1287
1991-07-01 250
1991-10-01 512
1992-01-01 731
1992-04-01 244
1992-07-01 962
1992-10-01 801
1993-01-01 569
1993-04-01 717
1993-07-01 651
1993-10-01 2406
1994-01-01 710
1994-04-01 1338
1994-07-01 1327
1994-10-01 357
1995-01-01 1580
1995-04-01 2662
1995-07-01 2237
1995-10-01 1769
1996-01-01 2337
1996-04-01 3554
1996-07-01 5646
1996-10-01 5263
1997-01-01 2340
1997-04-01 2308
1997-07-01 4246
1997-10-01 294
1998-01-01 -869
1998-04-01 3454
1998-07-01 -1484
1998-10-01 -1116
1999-01-01 -691
1999-04-01 -1471
1999-07-01 -1751
1999-10-01 410
2000-01-01 1735
2000-04-01 -601
2000-07-01 -436
2000-10-01 -129
2001-01-01 -1362
2001-04-01 -147
2001-07-01 -2054
2001-10-01 1949
2002-01-01 -1556
2002-04-01 1513
2002-07-01 1225
2002-10-01 809
2003-01-01 948
2003-04-01 2481
2003-07-01 2534
2003-10-01 -121
2004-01-01 4185
2004-04-01 3161
2004-07-01 1241
2004-10-01 2173
2005-01-01 2558
2005-04-01 1324
2005-07-01 2623
2005-10-01 4104
2006-01-01 2292
2006-04-01 4097
2006-07-01 4671
2006-10-01 3458
2007-01-01 928
2007-04-01 9797
2007-07-01 1011
2007-10-01 1538
2008-01-01 1681
2008-04-01 3308
2008-07-01 -1580
2008-10-01 -6392
2009-01-01 3657
2009-04-01 10961
2009-07-01 5946
2009-10-01 -1462
2010-01-01 1189
2010-04-01 727
2010-07-01 4154
2010-10-01 1753
2011-01-01 5741
2011-04-01 3242
2011-07-01 5035
2011-10-01 4333
2012-01-01 6181
2012-04-01 1252
2012-07-01 8345
2012-10-01 -3444
2013-01-01 3591
2013-04-01 -5243
2013-07-01 11896
2013-10-01 9463
2014-01-01 2955
2014-04-01 -1211
2014-07-01 -1403
2014-10-01 6567
2015-01-01 -1234
2015-04-01 3978
2015-07-01 -495
2015-10-01 -4062
2016-01-01 -215
2016-04-01 -2980
2016-07-01 972
2016-10-01 -2119
2017-01-01 2925
2017-04-01 1382
2017-07-01 2655
2017-10-01 3524
2018-01-01 5445
2018-04-01 4020