Quarterly Millions of US Dollars
1971-10-01 31
1972-01-01 82
1972-04-01 40
1972-07-01 20
1972-10-01 35
1973-01-01 61
1973-07-01 51
1973-10-01 66
1974-10-01 50
1975-01-01 95
1975-04-01 77
1975-07-01 24
1975-10-01 62
1976-01-01 62
1976-04-01 143
1976-07-01 91
1976-10-01 81
1977-01-01 120
1977-04-01 306
1977-07-01 470
1977-10-01 492
1978-01-01 463
1978-04-01 124
1978-07-01 100
1978-10-01 100
1979-07-01 173
1979-10-01 7
1980-01-01 -37
1980-04-01 161
1980-10-01 75
1981-01-01 75
1981-04-01 539
1981-07-01 335
1981-10-01 690
1982-01-01 529
1982-04-01 33
1982-07-01 91
1982-10-01 -87
1983-01-01 -198
1983-04-01 -96
1983-07-01 -67
1983-10-01 -160
1984-01-01 -44
1984-04-01 -74
1984-07-01 -153
1984-10-01 -25
1985-01-01 -61
1985-04-01 -39
1985-07-01 -134
1985-10-01 -296
1986-04-01 -151
1986-07-01 -110
1986-10-01 -221
1987-01-01 -171
1987-04-01 -159
1987-07-01 -31
1987-10-01 -305
1988-01-01 -241
1988-04-01 -353
1988-07-01 -563
1988-10-01 -397
1989-01-01 -151
1989-04-01 -17
1989-07-01 0
1989-10-01 31
1990-01-01 35412
1990-04-01 567
1990-07-01 495
1990-10-01 273
1991-01-01 324
1991-04-01 1000
1991-07-01 330
1991-10-01 460
1992-01-01 356
1992-04-01 46
1992-07-01 173
1992-10-01 1847
1993-01-01 608
1993-04-01 2001
1993-07-01 5341
1993-10-01 1367
1994-01-01 4791
1994-04-01 1545
1994-07-01 1157
1994-10-01 -1491
1995-01-01 -4404
1995-04-01 684
1995-07-01 2887
1995-10-01 387
1996-01-01 3205
1996-04-01 586
1996-07-01 6906
1996-10-01 -59
1997-01-01 2114
1997-04-01 3550
1997-07-01 -2897
1997-10-01 -438
1998-01-01 1805
1998-04-01 -1032
1998-07-01 327
1998-10-01 807
1999-01-01 1673
1999-04-01 4555
1999-07-01 1568
1999-10-01 1594
2000-01-01 3970
2000-04-01 -708
2000-07-01 1971
2000-10-01 -1464
2001-01-01 6528
2001-04-01 -3649
2001-07-01 -639
2001-10-01 -5533
2002-01-01 1457
2002-04-01 -5330
2002-07-01 -597
2002-10-01 1914
2003-01-01 -7227
2003-04-01 -1412
2003-07-01 -3090
2003-10-01 576
2004-01-01 2462
2004-04-01 990
2004-07-01 2792
2004-10-01 478
2005-01-01 3422
2005-04-01 -374
2005-07-01 1016
2005-10-01 1144
2006-01-01 759
2006-04-01 -1841
2006-07-01 -1234
2006-10-01 2688
2007-01-01 1346
2007-04-01 24
2007-07-01 -1808
2007-10-01 2872
2008-01-01 -2081
2008-04-01 845
2008-07-01 -602
2008-10-01 -2794
2009-01-01 -1884
2009-04-01 -215
2009-07-01 3822
2009-10-01 8401
2010-01-01 3792
2010-04-01 4297
2010-07-01 4259
2010-10-01 -2794
2011-01-01 2392
2011-04-01 5286
2011-07-01 6102
2011-10-01 4268
2012-01-01 7816
2012-04-01 3270
2012-07-01 7643
2012-10-01 6430
2013-01-01 3786
2013-04-01 3114
2013-07-01 10724
2013-10-01 10375
2014-01-01 6585
2014-04-01 9377
2014-07-01 3569
2014-10-01 5965
2015-01-01 7377
2015-04-01 10987
2015-07-01 249
2015-10-01 2529
2016-01-01 22236
2016-04-01 3506
2016-07-01 2121
2016-10-01 6031
2017-01-01 6166
2017-04-01 -4324
2017-07-01 12578
2017-10-01 -84
2018-01-01 6637
2018-04-01 4550