Quarterly Millions of US Dollars
1967-04-01 25
1968-04-01 30
1968-10-01 20
1971-01-01 56
1971-04-01 70
1972-10-01 90
1973-01-01 22
1974-04-01 50
1974-10-01 32
1975-01-01 34
1975-04-01 27
1975-10-01 19
1976-01-01 60
1976-04-01 140
1976-10-01 25
1977-01-01 88
1977-04-01 197
1977-10-01 120
1978-01-01 -5
1978-04-01 93
1978-07-01 8
1978-10-01 26
1979-01-01 266
1979-04-01 259
1979-07-01 100
1979-10-01 18
1980-01-01 250
1980-04-01 348
1980-07-01 291
1980-10-01 115
1981-01-01 190
1981-04-01 -87
1981-10-01 483
1982-01-01 867
1982-04-01 183
1982-07-01 175
1982-10-01 605
1983-01-01 220
1983-04-01 238
1983-07-01 155
1983-10-01 1112
1984-01-01 609
1984-04-01 120
1984-07-01 826
1984-10-01 1633
1985-01-01 1020
1985-04-01 1659
1985-07-01 1130
1985-10-01 766
1986-01-01 286
1986-04-01 1520
1986-07-01 1306
1986-10-01 656
1987-01-01 286
1987-04-01 647
1987-07-01 214
1987-10-01 3648
1988-01-01 896
1988-04-01 1513
1988-07-01 1373
1988-10-01 213
1989-01-01 1250
1989-04-01 649
1989-07-01 1119
1989-10-01 733
1990-01-01 362
1990-04-01 2636
1990-07-01 2783
1990-10-01 1243
1991-01-01 5754
1991-04-01 50
1991-07-01 649
1991-10-01 375
1992-01-01 1629
1992-04-01 2855
1992-07-01 -9
1992-10-01 -560
1993-01-01 2294
1993-04-01 1377
1993-07-01 11699
1993-10-01 2328
1994-01-01 3488
1994-04-01 1869
1994-07-01 5490
1994-10-01 5365
1995-01-01 220
1995-04-01 6867
1995-07-01 5576
1995-10-01 3739
1996-01-01 1230
1996-04-01 5563
1996-07-01 2038
1996-10-01 3542
1997-01-01 4813
1997-04-01 6365
1997-07-01 3990
1997-10-01 4041
1998-01-01 3269
1998-04-01 8768
1998-07-01 -270
1998-10-01 5659
1999-01-01 5652
1999-04-01 25886
1999-07-01 13289
1999-10-01 13510
2000-01-01 15433
2000-04-01 21055
2000-07-01 12845
2000-10-01 15330
2001-01-01 22645
2001-04-01 17340
2001-07-01 10768
2001-10-01 28405
2002-01-01 11853
2002-04-01 -696
2002-07-01 6315
2002-10-01 7888
2003-01-01 20798
2003-04-01 7600
2003-07-01 9427
2003-10-01 24996
2004-01-01 25627
2004-04-01 31112
2004-07-01 3232
2004-10-01 25616
2005-01-01 17072
2005-04-01 34281
2005-07-01 -7693
2005-10-01 24577
2006-01-01 18368
2006-04-01 32912
2006-07-01 20556
2006-10-01 30897
2007-01-01 28364
2007-04-01 54837
2007-07-01 4620
2007-10-01 17490
2008-01-01 28151
2008-04-01 47278
2008-07-01 -3075
2008-10-01 57002
2009-01-01 29532
2009-04-01 9189
2009-07-01 34596
2009-10-01 27981
2010-01-01 816
2010-04-01 -9220
2010-07-01 43105
2010-10-01 -1241
2011-01-01 22050
2011-04-01 8314
2011-07-01 -7348
2011-10-01 1835
2012-01-01 -31116
2012-04-01 -32013
2012-07-01 -5549
2012-10-01 -65
2013-01-01 -18794
2013-04-01 -1462
2013-07-01 19195
2013-10-01 7563
2014-01-01 -4505
2014-04-01 -848
2014-07-01 -33673
2014-10-01 -3907
2015-01-01 1478
2015-04-01 -29
2015-07-01 -11783
2015-10-01 -9966
2016-01-01 -17084
2016-04-01 4057
2016-07-01 -10078
2016-10-01 -5033
2017-01-01 4017
2017-04-01 19642
2017-07-01 4733
2017-10-01 -1143
2018-01-01 4578
2018-04-01 -4880