Quarterly Millions of US Dollars
1975-04-01 16
1977-07-01 68
1978-01-01 87
1978-04-01 98
1978-10-01 81
1979-01-01 169
1979-04-01 179
1979-07-01 47
1979-10-01 87
1980-07-01 140
1980-10-01 25
1981-04-01 115
1981-07-01 85
1981-10-01 150
1982-01-01 100
1982-04-01 -16
1982-07-01 -25
1983-04-01 -30
1984-04-01 -66
1984-07-01 -34
1985-01-01 -46
1985-10-01 -62
1986-01-01 -93
1986-04-01 -92
1986-10-01 -157
1987-01-01 -100
1987-04-01 -103
1987-07-01 -16
1987-10-01 -25
1988-01-01 -18
1988-10-01 -70
1989-04-01 -23
1989-07-01 -124
1989-10-01 -112
1990-01-01 -15
1990-07-01 -168
1990-10-01 21
1991-04-01 65
1991-10-01 725
1992-01-01 75
1992-04-01 160
1992-07-01 520
1992-10-01 394
1993-01-01 439
1993-04-01 17461
1993-07-01 1081
1993-10-01 11825
1994-01-01 1394
1994-04-01 -22
1994-07-01 1237
1994-10-01 2497
1995-01-01 -980
1995-04-01 1876
1995-07-01 1797
1995-10-01 2643
1996-01-01 1935
1996-04-01 3849
1996-07-01 1843
1996-10-01 3595
1997-01-01 5297
1997-04-01 2219
1997-07-01 5909
1997-10-01 188
1998-01-01 3188
1998-04-01 6848
1998-07-01 1666
1998-10-01 -6297
1999-01-01 1690
1999-04-01 3854
1999-07-01 1830
1999-10-01 2699
2000-01-01 4887
2000-04-01 2960
2000-07-01 2585
2000-10-01 -1860
2001-01-01 1488
2001-04-01 4852
2001-07-01 -723
2001-10-01 -674
2002-01-01 -223
2002-04-01 -502
2002-07-01 -1265
2002-10-01 -265
2003-01-01 -1021
2003-04-01 -559
2003-07-01 -792
2003-10-01 -202
2004-01-01 -540
2004-04-01 -2787
2004-07-01 -1170
2004-10-01 198
2005-01-01 118
2005-04-01 -30598
2005-07-01 -228
2005-10-01 2
2006-01-01 170
2006-04-01 -211
2006-07-01 -216
2006-10-01 556
2007-01-01 -369
2007-04-01 495
2007-07-01 -825
2007-10-01 368
2008-01-01 -1691
2008-04-01 -1871
2008-07-01 -600
2008-10-01 -6599
2009-01-01 -790
2009-04-01 -922
2009-07-01 50
2009-10-01 73
2010-01-01 -289
2010-04-01 1025
2010-07-01 733
2010-10-01 743
2011-01-01 1315
2011-04-01 -142
2011-07-01 -319
2011-10-01 -63
2012-01-01 -270
2012-04-01 -279
2012-07-01 -67
2012-10-01 -85
2013-01-01 300
2013-04-01 193
2013-07-01 375
2013-10-01 -259
2014-01-01 -98
2014-04-01 1288
2014-07-01 68
2014-10-01 -918
2015-01-01 1529
2015-04-01 774
2015-07-01 42
2015-10-01 -740
2016-01-01 2620
2016-04-01 19606
2016-07-01 6058
2016-10-01 4890
2017-01-01 11992
2017-04-01 13699
2017-07-01 1951
2017-10-01 5936
2018-01-01 10333
2018-04-01 -2730