Quarterly Millions of US Dollars
1971-01-01 40
1971-04-01 40
1971-07-01 2
1971-10-01 2
1972-01-01 96
1972-04-01 98
1972-07-01 26
1972-10-01 25
1973-01-01 74
1973-04-01 12
1974-01-01 167
1974-04-01 27
1974-07-01 256
1974-10-01 164
1975-01-01 643
1975-04-01 523
1975-07-01 317
1975-10-01 494
1976-01-01 922
1976-04-01 945
1976-07-01 509
1976-10-01 574
1977-01-01 452
1977-04-01 296
1977-07-01 227
1977-10-01 677
1978-01-01 412
1978-04-01 464
1978-07-01 353
1978-10-01 81
1979-01-01 358
1979-04-01 649
1979-07-01 545
1979-10-01 510
1980-01-01 86
1980-04-01 559
1980-07-01 217
1980-10-01 773
1981-01-01 808
1981-04-01 208
1981-07-01 169
1981-10-01 506
1982-01-01 1885
1982-04-01 1885
1982-07-01 1763
1982-10-01 1537
1983-01-01 1975
1983-04-01 1528
1983-07-01 544
1983-10-01 1331
1984-01-01 2106
1984-04-01 719
1984-07-01 2496
1984-10-01 1448
1985-01-01 2013
1985-04-01 454
1985-07-01 1477
1985-10-01 -191
1986-01-01 -15
1986-04-01 1924
1986-07-01 1216
1986-10-01 1156
1987-01-01 593
1987-04-01 930
1987-07-01 -457
1987-10-01 75
1988-01-01 2193
1988-04-01 2934
1988-07-01 1968
1988-10-01 638
1989-01-01 2303
1989-04-01 1291
1989-07-01 1077
1989-10-01 1614
1990-01-01 2171
1990-04-01 1701
1990-07-01 3123
1990-10-01 1605
1991-01-01 2982
1991-04-01 4626
1991-07-01 3633
1991-10-01 6009
1992-01-01 5518
1992-04-01 4156
1992-07-01 1999
1992-10-01 6664
1993-01-01 4373
1993-04-01 1797
1993-07-01 13931
1993-10-01 6358
1994-01-01 5374
1994-04-01 351
1994-07-01 2454
1994-10-01 2679
1995-01-01 50
1995-04-01 -871
1995-07-01 651
1995-10-01 4868
1996-01-01 -846
1996-04-01 8126
1996-07-01 4288
1996-10-01 937
1997-01-01 5675
1997-04-01 899
1997-07-01 3664
1997-10-01 924
1998-01-01 11694
1998-04-01 4202
1998-07-01 7112
1998-10-01 6483
1999-01-01 12101
1999-04-01 13192
1999-07-01 7288
1999-10-01 13568
2000-01-01 10082
2000-04-01 13508
2000-07-01 17094
2000-10-01 12522
2001-01-01 30707
2001-04-01 16169
2001-07-01 15137
2001-10-01 22644
2002-01-01 4068
2002-04-01 18954
2002-07-01 9458
2002-10-01 15390
2003-01-01 23841
2003-04-01 34866
2003-07-01 14212
2003-10-01 20532
2004-01-01 11249
2004-04-01 18206
2004-07-01 23154
2004-10-01 36075
2005-01-01 23928
2005-04-01 35369
2005-07-01 5989
2005-10-01 28547
2006-01-01 26238
2006-04-01 27266
2006-07-01 9134
2006-10-01 75242
2007-01-01 28280
2007-04-01 57399
2007-07-01 -5495
2007-10-01 37110
2008-01-01 20900
2008-04-01 86595
2008-07-01 21219
2008-10-01 2191
2009-01-01 38666
2009-04-01 97606
2009-07-01 28501
2009-10-01 42692
2010-01-01 80446
2010-04-01 10472
2010-07-01 37755
2010-10-01 27231
2011-01-01 72958
2011-04-01 11689
2011-07-01 -12855
2011-10-01 10694
2012-01-01 15581
2012-04-01 -19435
2012-07-01 3475
2012-10-01 -6408
2013-01-01 -11381
2013-04-01 -1576
2013-07-01 -2194
2013-10-01 1291
2014-01-01 22668
2014-04-01 12118
2014-07-01 16556
2014-10-01 -27331
2015-01-01 19565
2015-04-01 -32527
2015-07-01 -21065
2015-10-01 -6091
2016-01-01 5427
2016-04-01 23852
2016-07-01 11933
2016-10-01 8913
2017-01-01 -4636
2017-04-01 -5163
2017-07-01 -6880
2017-10-01 13230
2018-01-01 -7071
2018-04-01 3535