Quarterly Millions of US Dollars
1966-04-01 15
1966-07-01 15
1966-10-01 20
1967-01-01 25
1967-04-01 25
1967-07-01 20
1970-01-01 46
1970-07-01 200
1971-01-01 76
1971-04-01 161
1971-07-01 20
1971-10-01 131
1972-01-01 1164
1972-04-01 273
1972-07-01 546
1972-10-01 539
1973-01-01 596
1973-04-01 669
1973-07-01 304
1973-10-01 385
1974-01-01 364
1974-04-01 484
1974-07-01 353
1974-10-01 1066
1975-01-01 731
1975-04-01 672
1975-07-01 902
1975-10-01 2181
1976-01-01 2205
1976-04-01 1582
1976-07-01 2371
1976-10-01 2044
1977-01-01 1305
1977-04-01 1483
1977-07-01 2214
1977-10-01 1231
1978-01-01 1447
1978-04-01 955
1978-07-01 3383
1978-10-01 1308
1979-01-01 165
1979-04-01 1783
1979-07-01 1808
1979-10-01 1580
1980-01-01 906
1980-04-01 2047
1980-07-01 1005
1980-10-01 1006
1981-01-01 1150
1981-04-01 1682
1981-07-01 1381
1981-10-01 2764
1982-01-01 1153
1982-04-01 1157
1982-07-01 3126
1982-10-01 2387
1983-01-01 2547
1983-04-01 4144
1983-07-01 1723
1983-10-01 3116
1984-01-01 2382
1984-04-01 1869
1984-07-01 2070
1984-10-01 3749
1985-01-01 2801
1985-04-01 2598
1985-07-01 3151
1985-10-01 -68
1986-01-01 5226
1986-04-01 1281
1986-07-01 977
1986-10-01 715
1987-01-01 4573
1987-04-01 911
1987-07-01 1252
1987-10-01 2456
1988-01-01 2741
1988-04-01 1026
1988-07-01 1622
1988-10-01 2604
1989-01-01 4433
1989-04-01 3365
1989-07-01 2674
1989-10-01 2652
1990-01-01 4456
1990-04-01 6538
1990-07-01 2053
1990-10-01 7827
1991-01-01 8993
1991-04-01 4956
1991-07-01 4479
1991-10-01 6693
1992-01-01 10308
1992-04-01 5375
1992-07-01 777
1992-10-01 6837
1993-01-01 9547
1993-04-01 5253
1993-07-01 8258
1993-10-01 5929
1994-01-01 1786
1994-04-01 -923
1994-07-01 1566
1994-10-01 5911
1995-01-01 1807
1995-04-01 3224
1995-07-01 4149
1995-10-01 1254
1996-01-01 3589
1996-04-01 8197
1996-07-01 3116
1996-10-01 8335
1997-01-01 8782
1997-04-01 7657
1997-07-01 2411
1997-10-01 3597
1998-01-01 23444
1998-04-01 9531
1998-07-01 8532
1998-10-01 13564
1999-01-01 14357
1999-04-01 6681
1999-07-01 5350
1999-10-01 -989
2000-01-01 5390
2000-04-01 6997
2000-07-01 3030
2000-10-01 7611
2001-01-01 -1479
2001-04-01 5520
2001-07-01 11114
2001-10-01 1256
2002-01-01 7440
2002-04-01 6752
2002-07-01 9055
2002-10-01 -2989
2003-01-01 9287
2003-04-01 15338
2003-07-01 2561
2003-10-01 -4267
2004-01-01 9999
2004-04-01 7173
2004-07-01 7043
2004-10-01 -1245
2005-01-01 5243
2005-04-01 8565
2005-07-01 19477
2005-10-01 -1441
2006-01-01 6525
2006-04-01 1364
2006-07-01 -4378
2006-10-01 6526
2007-01-01 8317
2007-04-01 13058
2007-07-01 12482
2007-10-01 3565
2008-01-01 25787
2008-04-01 2969
2008-07-01 9288
2008-10-01 19012
2009-01-01 26306
2009-04-01 61491
2009-07-01 20171
2009-10-01 427
2010-01-01 42620
2010-04-01 30153
2010-07-01 17301
2010-10-01 3242
2011-01-01 62722
2011-04-01 38423
2011-07-01 67514
2011-10-01 17244
2012-01-01 185009
2012-04-01 34067
2012-07-01 41261
2012-10-01 24340
2013-01-01 -2186
2013-04-01 59129
2013-07-01 32871
2013-10-01 22620
2014-01-01 69914
2014-04-01 22640
2014-07-01 40692
2014-10-01 4052
2015-01-01 23879
2015-04-01 17851
2015-07-01 22408
2015-10-01 9245
2016-01-01 53634
2016-04-01 35694
2016-07-01 2621
2016-10-01 -7929
2017-01-01 56238
2017-04-01 20564
2017-07-01 21712
2017-10-01 2081
2018-01-01 47048
2018-04-01 -1211