Quarterly Millions of US Dollars
1973-07-01 27
1973-10-01 6
1975-01-01 24
1977-04-01 43
1977-07-01 21
1978-07-01 -48
1978-10-01 -12
1981-01-01 20
1981-07-01 60
1981-10-01 30
1982-07-01 73
1982-10-01 80
1983-01-01 100
1983-04-01 300
1983-07-01 117
1983-10-01 350
1984-01-01 386
1984-04-01 700
1984-07-01 137
1984-10-01 275
1985-01-01 506
1985-04-01 479
1985-07-01 936
1985-10-01 588
1986-01-01 122
1986-04-01 383
1986-07-01 464
1986-10-01 292
1987-01-01 209
1987-04-01 65
1987-07-01 -179
1987-10-01 1
1988-01-01 157
1988-04-01 -42
1988-07-01 127
1988-10-01 20
1989-01-01 577
1989-04-01 122
1989-07-01 -7
1989-10-01 -198
1990-01-01 257
1990-04-01 -453
1990-07-01 545
1990-10-01 -234
1991-01-01 590
1991-04-01 -100
1991-07-01 8
1991-10-01 -135
1992-01-01 -893
1992-04-01 -252
1992-07-01 -229
1992-10-01 -88
1993-01-01 -60
1993-04-01 -120
1993-07-01 172
1993-10-01 1720
1994-01-01 886
1994-04-01 539
1994-07-01 1077
1994-10-01 2392
1995-01-01 107
1995-04-01 417
1995-07-01 135
1995-10-01 2017
1996-01-01 -1161
1996-04-01 -1121
1996-07-01 1677
1996-10-01 1680
1997-01-01 1754
1997-04-01 2630
1997-07-01 997
1997-10-01 -399
1998-01-01 -328
1998-04-01 95
1998-07-01 375
1998-10-01 18
1999-01-01 3070
1999-04-01 -1120
1999-07-01 2552
1999-10-01 347
2000-01-01 -1455
2000-04-01 -1111
2000-07-01 986
2000-10-01 1627
2001-01-01 -213
2001-04-01 2558
2001-07-01 -461
2001-10-01 -945
2002-01-01 3723
2002-04-01 2488
2002-07-01 1174
2002-10-01 86
2003-01-01 732
2003-04-01 1391
2003-07-01 192
2003-10-01 120
2004-01-01 1038
2004-04-01 593
2004-07-01 1776
2004-10-01 375
2005-01-01 1648
2005-04-01 -41
2005-07-01 -486
2005-10-01 -3747
2006-01-01 584
2006-04-01 1221
2006-07-01 -444
2006-10-01 1087
2007-01-01 -629
2007-04-01 2024
2007-07-01 117
2007-10-01 -284
2008-01-01 159
2008-04-01 393
2008-07-01 1502
2008-10-01 945
2009-01-01 -2891
2009-04-01 1342
2009-07-01 520
2009-10-01 420
2010-01-01 3138
2010-04-01 1124
2010-07-01 4559
2010-10-01 5507
2011-01-01 1059
2011-04-01 15304
2011-07-01 4500
2011-10-01 5334
2012-01-01 13173
2012-04-01 6259
2012-07-01 7830
2012-10-01 3860
2013-01-01 10004
2013-04-01 15039
2013-07-01 3955
2013-10-01 9455
2014-01-01 11675
2014-04-01 15792
2014-07-01 14217
2014-10-01 1487
2015-01-01 8753
2015-04-01 3032
2015-07-01 -7854
2015-10-01 18750
2016-01-01 -6185
2016-04-01 -2401
2016-07-01 12060
2016-10-01 6324
2017-01-01 15718
2017-04-01 16114
2017-07-01 10316
2017-10-01 20111
2018-01-01 5354
2018-04-01 16529