Quarterly Millions of US Dollars
1967-04-01 25
1968-04-01 30
1968-10-01 20
1971-01-01 25
1971-04-01 60
1972-10-01 50
1975-01-01 10
1975-04-01 10
1977-01-01 8
1977-04-01 87
1977-10-01 75
1978-01-01 26
1978-04-01 25
1979-01-01 36
1979-10-01 36
1980-01-01 200
1980-04-01 282
1980-07-01 250
1980-10-01 100
1981-01-01 250
1981-04-01 83
1981-10-01 324
1982-01-01 216
1982-04-01 25
1982-07-01 100
1982-10-01 15
1983-01-01 107
1983-04-01 60
1983-07-01 34
1983-10-01 238
1984-01-01 334
1984-04-01 43
1984-07-01 42
1984-10-01 29
1985-01-01 960
1985-04-01 859
1985-07-01 39
1985-10-01 -123
1986-01-01 -92
1986-04-01 245
1986-07-01 427
1986-10-01 -104
1987-01-01 2
1987-04-01 -353
1987-07-01 50
1987-10-01 200
1988-01-01 -261
1988-04-01 516
1988-07-01 -188
1988-10-01 -200
1989-01-01 -297
1989-04-01 132
1989-07-01 503
1989-10-01 352
1990-01-01 229
1990-04-01 -261
1990-07-01 404
1990-10-01 1253
1991-01-01 549
1991-04-01 -123
1991-07-01 -241
1991-10-01 2
1992-01-01 1386
1992-04-01 1004
1992-07-01 -791
1992-10-01 -373
1993-01-01 -287
1993-04-01 -944
1993-07-01 279
1993-10-01 -100
1994-01-01 -218
1994-04-01 -56
1994-07-01 -167
1994-10-01 210
1995-01-01 -292
1995-04-01 -70
1995-07-01 -14
1995-10-01 -43
1996-01-01 -317
1996-04-01 -73
1996-07-01 -729
1996-10-01 -465
1997-01-01 -116
1997-04-01 -118
1997-07-01 295
1998-01-01 -822
1998-04-01 222
1998-10-01 1750
1999-01-01 -868
1999-04-01 -41
1999-07-01 128
1999-10-01 2130
2000-01-01 118
2000-04-01 1128
2000-07-01 1102
2000-10-01 704
2001-01-01 24
2001-04-01 483
2001-07-01 177
2001-10-01 554
2002-01-01 1675
2002-04-01 210
2002-07-01 43
2002-10-01 499
2003-01-01 -6
2003-04-01 2719
2003-07-01 45
2003-10-01 1616
2004-01-01 3998
2004-04-01 10392
2004-07-01 827
2004-10-01 4413
2005-01-01 1683
2005-04-01 -381
2005-07-01 -1610
2005-10-01 -5495
2006-01-01 2410
2006-04-01 3499
2006-07-01 -5
2006-10-01 1951
2007-01-01 -1769
2007-04-01 8698
2007-07-01 -137
2007-10-01 2261
2008-01-01 -224
2008-04-01 -391
2008-07-01 -376
2008-10-01 -855
2009-01-01 4414
2009-04-01 3414
2009-07-01 2881
2009-10-01 4850
2010-01-01 8611
2010-04-01 95
2010-07-01 2419
2010-10-01 4541
2011-01-01 2732
2011-04-01 -2588
2011-07-01 -918
2011-10-01 442
2012-01-01 3277
2012-04-01 2820
2012-07-01 7412
2012-10-01 8166
2013-01-01 4579
2013-04-01 4745
2013-07-01 13639
2013-10-01 12959
2014-01-01 3556
2014-04-01 -576
2014-07-01 6133
2014-10-01 -1472
2015-01-01 4238
2015-04-01 -631
2015-07-01 1136
2015-10-01 -275
2016-01-01 -9530
2016-04-01 3819
2016-07-01 4070
2016-10-01 -527
2017-01-01 4510
2017-04-01 1161
2017-07-01 4857
2017-10-01 12504
2018-01-01 -716
2018-04-01 1097