Quarterly Millions of US Dollars
1971-10-01 31
1972-01-01 82
1972-04-01 40
1972-07-01 51
1972-10-01 145
1973-01-01 95
1973-04-01 25
1973-07-01 76
1973-10-01 109
1974-01-01 5
1974-07-01 2
1974-10-01 75
1975-01-01 168
1975-04-01 147
1975-07-01 49
1975-10-01 62
1976-01-01 62
1976-04-01 193
1976-07-01 131
1976-10-01 272
1977-01-01 319
1977-04-01 612
1977-07-01 877
1977-10-01 938
1978-01-01 1176
1978-04-01 685
1978-07-01 396
1978-10-01 610
1979-01-01 574
1979-04-01 264
1979-07-01 483
1979-10-01 289
1980-01-01 -47
1980-04-01 591
1980-07-01 313
1980-10-01 262
1981-01-01 170
1981-04-01 781
1981-07-01 434
1981-10-01 870
1982-01-01 613
1982-04-01 -78
1982-07-01 -9
1982-10-01 -93
1983-01-01 -432
1983-04-01 -153
1983-07-01 -42
1983-10-01 -235
1984-01-01 -144
1984-04-01 -153
1984-07-01 -339
1984-10-01 -72
1985-01-01 -124
1985-04-01 -109
1985-07-01 -148
1985-10-01 -1011
1986-01-01 -251
1986-04-01 -476
1986-07-01 -157
1986-10-01 -669
1987-01-01 -512
1987-04-01 -274
1987-07-01 -328
1987-10-01 -556
1988-01-01 -141
1988-04-01 -758
1988-07-01 -828
1988-10-01 -235
1989-01-01 -139
1989-04-01 -122
1989-07-01 728
1989-10-01 -417
1990-01-01 35250
1990-04-01 697
1990-07-01 552
1990-10-01 16172
1991-01-01 1522
1991-04-01 1042
1991-07-01 1114
1991-10-01 2711
1992-01-01 1371
1992-04-01 2096
1992-07-01 1284
1992-10-01 2551
1993-01-01 1011
1993-04-01 22202
1993-07-01 7890
1993-10-01 16339
1994-01-01 7450
1994-04-01 42797
1994-07-01 2866
1994-10-01 2706
1995-01-01 -239
1995-04-01 2547
1995-07-01 6733
1995-10-01 5107
1996-01-01 7981
1996-04-01 9010
1996-07-01 10604
1996-10-01 9960
1997-01-01 15387
1997-04-01 14237
1997-07-01 12246
1997-10-01 -767
1998-01-01 9601
1998-04-01 12899
1998-07-01 1068
1998-10-01 -22558
1999-01-01 -609
1999-04-01 12966
1999-07-01 3815
1999-10-01 7843
2000-01-01 13660
2000-04-01 233
2000-07-01 14028
2000-10-01 -4509
2001-01-01 10803
2001-04-01 -5116
2001-07-01 -180
2001-10-01 -3999
2002-01-01 1476
2002-04-01 -5352
2002-07-01 -2375
2002-10-01 -195
2003-01-01 -5712
2003-04-01 -2292
2003-07-01 -1194
2003-10-01 2406
2004-01-01 3622
2004-04-01 -6353
2004-07-01 -1060
2004-10-01 3517
2005-01-01 5860
2005-04-01 -28717
2005-07-01 1349
2005-10-01 5812
2006-01-01 2555
2006-04-01 -17208
2006-07-01 5256
2006-10-01 6410
2007-01-01 1311
2007-04-01 14573
2007-07-01 -268
2007-10-01 3373
2008-01-01 -4955
2008-04-01 469
2008-07-01 -3788
2008-10-01 -10995
2009-01-01 1123
2009-04-01 -624
2009-07-01 12416
2009-10-01 25900
2010-01-01 11354
2010-04-01 16099
2010-07-01 17566
2010-10-01 16756
2011-01-01 18087
2011-04-01 16315
2011-07-01 10768
2011-10-01 18428
2012-01-01 14494
2012-04-01 8729
2012-07-01 19729
2012-10-01 16859
2013-01-01 11806
2013-04-01 15503
2013-07-01 17728
2013-10-01 24472
2014-01-01 9567
2014-04-01 26167
2014-07-01 22878
2014-10-01 7509
2015-01-01 12103
2015-04-01 17909
2015-07-01 2136
2015-10-01 -69
2016-01-01 22644
2016-04-01 22504
2016-07-01 12872
2016-10-01 19240
2017-01-01 20853
2017-04-01 19346
2017-07-01 24334
2017-10-01 11818
2018-01-01 26273
2018-04-01 2193