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 73
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
1985-04-01 427
1985-07-01 343
1985-10-01 450
1986-01-01 359
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 -45
1988-07-01 80
1988-10-01 60
1989-01-01 -110
1989-04-01 -95
1989-07-01 -36
1989-10-01 166
1990-01-01 248
1990-04-01 -224
1990-07-01 58
1990-10-01 -133
1991-01-01 656
1991-04-01 1287
1991-07-01 270
1991-10-01 512
1992-01-01 706
1992-04-01 244
1992-07-01 1090
1992-10-01 901
1993-01-01 649
1993-04-01 777
1993-07-01 780
1993-10-01 2439
1994-01-01 833
1994-04-01 1533
1994-07-01 1310
1994-10-01 268
1995-01-01 1536
1995-04-01 2730
1995-07-01 2114
1995-10-01 1373
1996-01-01 2267
1996-04-01 3844
1996-07-01 5503
1996-10-01 5347
1997-01-01 2957
1997-04-01 2352
1997-07-01 4350
1997-10-01 115
1998-01-01 -906
1998-04-01 3908
1998-07-01 -1412
1998-10-01 -748
1999-01-01 -877
1999-04-01 -1356
1999-07-01 -1662
1999-10-01 455
2000-01-01 1577
2000-04-01 -150
2000-07-01 159
2000-10-01 -544
2001-01-01 -1242
2001-04-01 -569
2001-07-01 -1191
2001-10-01 1236
2002-01-01 -1788
2002-04-01 1569
2002-07-01 2604
2002-10-01 2724
2003-01-01 463
2003-04-01 2468
2003-07-01 3706
2003-10-01 850
2004-01-01 3767
2004-04-01 2820
2004-07-01 1538
2004-10-01 1016
2005-01-01 2743
2005-04-01 1577
2005-07-01 1369
2005-10-01 5391
2006-01-01 2318
2006-04-01 4602
2006-07-01 4830
2006-10-01 3467
2007-01-01 1061
2007-04-01 8526
2007-07-01 322
2007-10-01 1810
2008-01-01 2260
2008-04-01 3245
2008-07-01 -2096
2008-10-01 -8121
2009-01-01 3084
2009-04-01 11341
2009-07-01 6332
2009-10-01 -2274
2010-01-01 877
2010-04-01 534
2010-07-01 3843
2010-10-01 2447
2011-01-01 5802
2011-04-01 3015
2011-07-01 5404
2011-10-01 5112
2012-01-01 6340
2012-04-01 2378
2012-07-01 8605
2012-10-01 -3512
2013-01-01 3831
2013-04-01 -4964
2013-07-01 12209
2013-10-01 9232
2014-01-01 3547
2014-04-01 -1049
2014-07-01 -763
2014-10-01 7332
2015-01-01 -2352
2015-04-01 2985
2015-07-01 -2500
2015-10-01 -4535
2016-01-01 610
2016-04-01 -923
2016-07-01 1019
2016-10-01 -2517
2017-01-01 4314
2017-04-01 -1866
2017-07-01 3724
2017-10-01 3469
2018-01-01 3002
2018-04-01 6321