Quarterly Millions of US Dollars
1972-10-01 45
1973-01-01 15
1981-07-01 30
1982-10-01 50
1983-01-01 21
1983-07-01 21
1984-04-01 150
1984-07-01 27
1984-10-01 4
1985-01-01 297
1985-04-01 162
1985-07-01 283
1986-04-01 30
1986-07-01 53
1986-10-01 -180
1987-01-01 114
1987-04-01 170
1987-07-01 83
1987-10-01 -25
1988-01-01 166
1988-04-01 120
1988-07-01 150
1989-01-01 486
1989-04-01 153
1989-10-01 439
1990-01-01 111
1990-07-01 537
1990-10-01 227
1991-01-01 1399
1991-04-01 708
1991-07-01 -48
1991-10-01 377
1992-01-01 547
1992-04-01 809
1992-07-01 506
1992-10-01 613
1993-01-01 967
1993-04-01 761
1993-07-01 526
1993-10-01 1574
1994-01-01 -302
1994-04-01 588
1994-07-01 1200
1994-10-01 1868
1995-01-01 189
1995-04-01 -507
1995-07-01 989
1995-10-01 750
1996-01-01 1991
1996-04-01 -59
1996-07-01 1431
1996-10-01 354
1997-01-01 -59
1997-04-01 -348
1997-07-01 -234
1997-10-01 2390
1998-01-01 3632
1998-04-01 -189
1998-07-01 -411
1998-10-01 -519
1999-01-01 1453
1999-04-01 418
1999-07-01 164
1999-10-01 -677
2000-01-01 3168
2000-04-01 529
2000-07-01 746
2000-10-01 -285
2001-01-01 -312
2001-04-01 362
2001-07-01 1708
2001-10-01 358
2002-01-01 5069
2002-04-01 737
2002-07-01 -147
2002-10-01 -476
2003-01-01 9181
2003-04-01 3496
2003-07-01 1936
2003-10-01 1943
2004-01-01 2219
2004-04-01 5117
2004-07-01 1685
2004-10-01 1428
2005-01-01 5328
2005-04-01 5545
2005-07-01 87
2005-10-01 2144
2006-01-01 7481
2006-04-01 8234
2006-07-01 2980
2006-10-01 10269
2007-01-01 16833
2007-04-01 13974
2007-07-01 -3213
2007-10-01 -1512
2008-01-01 2558
2008-04-01 12571
2008-07-01 -2055
2008-10-01 7055
2009-01-01 17335
2009-04-01 18106
2009-07-01 6821
2009-10-01 -14956
2010-01-01 5100
2010-04-01 39207
2010-07-01 5061
2010-10-01 24212
2011-01-01 -5340
2011-04-01 5096
2011-07-01 -1649
2011-10-01 8365
2012-01-01 -24107
2012-04-01 -20346
2012-07-01 -19783
2012-10-01 -1072
2013-01-01 -4981
2013-04-01 -10649
2013-07-01 -8569
2013-10-01 -323
2014-01-01 -650
2014-04-01 3362
2014-07-01 1547
2014-10-01 2131
2015-01-01 -1864
2015-04-01 10077
2015-07-01 349
2015-10-01 -11463
2016-01-01 -13490
2016-04-01 -25895
2016-07-01 -11096
2016-10-01 -4231
2017-01-01 -2491
2017-04-01 -11970
2017-07-01 -5186
2017-10-01 2134
2018-01-01 6487
2018-04-01 1669