Quarterly Millions of US Dollars
1969-01-01 27
1969-04-01 15
1970-07-01 75
1971-01-01 20
1971-07-01 24
1971-10-01 31
1972-04-01 381
1972-07-01 148
1972-10-01 181
1973-01-01 35
1973-04-01 199
1973-07-01 50
1973-10-01 323
1974-01-01 249
1974-04-01 212
1974-07-01 125
1974-10-01 303
1975-01-01 376
1975-04-01 785
1975-07-01 151
1975-10-01 718
1976-01-01 520
1976-04-01 398
1976-07-01 765
1976-10-01 574
1977-01-01 627
1977-04-01 677
1977-07-01 495
1977-10-01 440
1978-01-01 900
1978-04-01 1068
1978-07-01 401
1978-10-01 664
1979-01-01 1196
1979-04-01 99
1979-07-01 300
1979-10-01 60
1980-01-01 120
1980-04-01 21
1980-07-01 -86
1980-10-01 -36
1981-01-01 -18
1981-04-01 1009
1981-07-01 628
1981-10-01 1605
1982-01-01 1543
1982-04-01 979
1982-07-01 1384
1982-10-01 441
1983-01-01 225
1983-04-01 1105
1983-07-01 -179
1983-10-01 1101
1984-01-01 761
1984-04-01 535
1984-07-01 646
1984-10-01 391
1985-01-01 886
1985-04-01 385
1985-07-01 455
1985-10-01 104
1986-01-01 1988
1986-04-01 1590
1986-07-01 933
1986-10-01 1977
1987-01-01 -141
1987-04-01 -271
1987-07-01 -127
1987-10-01 594
1988-01-01 -5
1988-04-01 71
1988-07-01 490
1988-10-01 783
1989-01-01 792
1989-04-01 -792
1989-07-01 -633
1989-10-01 -84
1990-01-01 319
1990-04-01 507
1990-07-01 636
1990-10-01 1467
1991-01-01 1494
1991-04-01 3335
1991-07-01 1823
1991-10-01 1441
1992-01-01 1570
1992-04-01 2219
1992-07-01 1103
1992-10-01 2895
1993-01-01 7893
1993-04-01 2133
1993-07-01 4212
1993-10-01 583
1994-01-01 6946
1994-04-01 2640
1994-07-01 5319
1994-10-01 -620
1995-01-01 1518
1995-04-01 2104
1995-07-01 4557
1995-10-01 -382
1996-01-01 2275
1996-04-01 -1584
1996-07-01 850
1996-10-01 929
1997-01-01 1628
1997-04-01 149
1997-07-01 1532
1997-10-01 -2859
1998-01-01 2764
1998-04-01 -1159
1998-07-01 2260
1998-10-01 4031
1999-01-01 -1697
1999-04-01 11
1999-07-01 -1981
1999-10-01 1650
2000-01-01 -2227
2000-04-01 -3746
2000-07-01 -1280
2000-10-01 -1538
2001-01-01 -60
2001-04-01 -908
2001-07-01 -116
2001-10-01 13
2002-01-01 -206
2002-04-01 -1372
2002-07-01 -762
2002-10-01 2120
2003-01-01 -4538
2003-04-01 2070
2003-07-01 -127
2003-10-01 -2357
2004-01-01 -1249
2004-04-01 -1846
2004-07-01 1232
2004-10-01 -1011
2005-01-01 2034
2005-04-01 1648
2005-07-01 -3419
2005-10-01 1534
2006-01-01 -3253
2006-04-01 -499
2006-07-01 -814
2006-10-01 1587
2007-01-01 929
2007-04-01 -599
2007-07-01 -3648
2007-10-01 -2783
2008-01-01 -1502
2008-04-01 3933
2008-07-01 -2958
2008-10-01 -3806
2009-01-01 -52
2009-04-01 9194
2009-07-01 -772
2009-10-01 8879
2010-01-01 4121
2010-04-01 9160
2010-07-01 2815
2010-10-01 756
2011-01-01 1527
2011-04-01 3469
2011-07-01 4107
2011-10-01 -2338
2012-01-01 660
2012-04-01 6057
2012-07-01 531
2012-10-01 -696
2013-01-01 -961
2013-04-01 -3741
2013-07-01 3131
2013-10-01 -1115
2014-01-01 3088
2014-04-01 91
2014-07-01 -1065
2014-10-01 860
2015-01-01 1435
2015-04-01 -8955
2015-07-01 990
2015-10-01 2174
2016-01-01 985
2016-04-01 30
2016-07-01 -857
2016-10-01 -960
2017-01-01 2019
2017-04-01 6499
2017-07-01 3312
2017-10-01 1939
2018-01-01 585
2018-04-01 -1343