Quarterly Millions of US Dollars
1975-04-01 16
1977-07-01 43
1978-01-01 72
1978-04-01 68
1978-10-01 81
1979-04-01 149
1979-07-01 47
1979-10-01 87
1980-07-01 140
1982-04-01 -16
1984-04-01 -66
1984-07-01 -34
1985-01-01 -46
1985-10-01 -62
1986-04-01 -62
1986-10-01 -57
1987-04-01 -33
1987-07-01 -16
1988-01-01 -18
1988-10-01 -20
1989-04-01 -23
1989-07-01 -39
1989-10-01 -112
1990-07-01 -168
1991-10-01 500
1992-10-01 250
1993-04-01 17447
1993-07-01 215
1993-10-01 9821
1994-01-01 350
1994-04-01 -131
1994-07-01 678
1994-10-01 1377
1995-01-01 -146
1995-04-01 1916
1995-07-01 1789
1995-10-01 1929
1996-01-01 2396
1996-04-01 2997
1996-07-01 1132
1996-10-01 3194
1997-01-01 4349
1997-04-01 934
1997-07-01 3935
1997-10-01 777
1998-01-01 2539
1998-04-01 3762
1998-07-01 2497
1998-10-01 -5866
1999-01-01 1820
1999-04-01 3645
1999-07-01 1543
1999-10-01 3282
2000-01-01 4790
2000-04-01 3458
2000-07-01 2343
2000-10-01 -333
2001-01-01 1459
2001-04-01 5484
2001-07-01 -488
2001-10-01 93
2002-01-01 -9
2002-04-01 -3
2002-07-01 -6
2003-01-01 -414
2003-07-01 -112
2004-01-01 0
2004-04-01 -2196
2004-07-01 -702
2004-10-01 0
2005-01-01 0
2005-04-01 -29788
2005-07-01 -77
2005-10-01 -341
2006-04-01 -460
2006-07-01 -191
2006-10-01 101
2007-01-01 -444
2007-04-01 -45
2007-07-01 -478
2007-10-01 -301
2008-01-01 -1402
2008-04-01 -604
2008-07-01 -198
2008-10-01 -6373
2009-01-01 -345
2009-04-01 -775
2009-10-01 -266
2010-01-01 -289
2010-04-01 1236
2010-07-01 177
2010-10-01 520
2011-01-01 750
2011-04-01 -360
2011-07-01 -643
2011-10-01 85
2012-01-01 -120
2012-07-01 108
2012-10-01 -85
2013-01-01 0
2014-04-01 -42
2014-07-01 -72
2014-10-01 -549
2015-01-01 1037
2015-04-01 -726
2015-07-01 11
2015-10-01 -1040
2016-01-01 1260
2016-04-01 19588
2016-07-01 3926
2016-10-01 3956
2017-01-01 10502
2017-04-01 12602
2017-07-01 651
2017-10-01 3757
2018-01-01 9011
2018-04-01 -2580