Quarterly Millions of US Dollars
1966-01-01 15
1968-01-01 110
1968-04-01 60
1968-07-01 20
1969-10-01 8
1972-07-01 27
1975-10-01 15
1977-01-01 25
1977-10-01 90
1978-07-01 278
1978-10-01 26
1979-01-01 81
1980-10-01 -15
1983-01-01 29
1983-04-01 79
1983-07-01 100
1983-10-01 200
1984-01-01 -25
1984-04-01 50
1984-07-01 25
1984-10-01 148
1985-01-01 153
1985-04-01 313
1985-07-01 467
1985-10-01 260
1986-01-01 518
1986-04-01 704
1986-07-01 587
1986-10-01 92
1987-01-01 259
1987-04-01 506
1987-07-01 953
1987-10-01 1184
1988-01-01 233
1988-04-01 1050
1988-07-01 760
1988-10-01 610
1989-01-01 1463
1989-04-01 783
1989-07-01 1025
1989-10-01 858
1990-01-01 702
1990-04-01 233
1990-07-01 1790
1990-10-01 598
1991-01-01 1641
1991-04-01 962
1991-07-01 383
1991-10-01 641
1992-01-01 951
1992-04-01 937
1992-07-01 1758
1992-10-01 443
1993-01-01 167
1993-04-01 -340
1993-07-01 6155
1993-10-01 4861
1994-01-01 3487
1994-04-01 5257
1994-07-01 2915
1994-10-01 3959
1995-01-01 2527
1995-04-01 6830
1995-07-01 6436
1995-10-01 4368
1996-01-01 9156
1996-04-01 11375
1996-07-01 4279
1996-10-01 18150
1997-01-01 10069
1997-04-01 7508
1997-07-01 22307
1997-10-01 20034
1998-01-01 13281
1998-04-01 18384
1998-07-01 12056
1998-10-01 3649
1999-01-01 12563
1999-04-01 18634
1999-07-01 11008
1999-10-01 13744
2000-01-01 22599
2000-04-01 10243
2000-07-01 21775
2000-10-01 16601
2001-01-01 27367
2001-04-01 17141
2001-07-01 12956
2001-10-01 13595
2002-01-01 6471
2002-04-01 14987
2002-07-01 3148
2002-10-01 -479
2003-01-01 1408
2003-04-01 -3142
2003-07-01 -1562
2003-10-01 -2287
2004-01-01 1429
2004-04-01 -1863
2004-07-01 4328
2004-10-01 3605
2005-01-01 6493
2005-04-01 2439
2005-07-01 14108
2005-10-01 39171
2006-01-01 54654
2006-04-01 49945
2006-07-01 75177
2006-10-01 125897
2007-01-01 104050
2007-04-01 106038
2007-07-01 46556
2007-10-01 20887
2008-01-01 -10111
2008-04-01 -3543
2008-07-01 -10185
2008-10-01 -12306
2009-01-01 -13255
2009-04-01 7641
2009-07-01 4993
2009-10-01 -5309
2010-01-01 1783
2010-04-01 -8113
2010-07-01 6619
2010-10-01 7814
2011-01-01 -5622
2011-04-01 -9726
2011-07-01 -5534
2011-10-01 6329
2012-01-01 19821
2012-04-01 5700
2012-07-01 13235
2012-10-01 30818
2013-01-01 13508
2013-04-01 21460
2013-07-01 3068
2013-10-01 18118
2014-01-01 12523
2014-04-01 34762
2014-07-01 18277
2014-10-01 11814
2015-01-01 14551
2015-04-01 20443
2015-07-01 7867
2015-10-01 -3190
2016-01-01 1778
2016-04-01 19014
2016-07-01 -3701
2016-10-01 8874
2017-01-01 10958
2017-04-01 47112
2017-07-01 30444
2017-10-01 51074
2018-01-01 48382
2018-04-01 62237