Quarterly Millions of US Dollars
1971-01-01 25
1971-07-01 24
1971-10-01 31
1972-01-01 74
1972-04-01 70
1972-07-01 41
1972-10-01 142
1973-04-01 136
1973-07-01 54
1973-10-01 344
1974-01-01 94
1974-04-01 363
1974-07-01 30
1974-10-01 72
1975-01-01 64
1975-04-01 70
1975-07-01 46
1975-10-01 25
1976-01-01 61
1976-04-01 56
1976-07-01 47
1976-10-01 78
1977-01-01 159
1977-04-01 52
1977-07-01 43
1977-10-01 68
1978-01-01 125
1978-04-01 127
1978-07-01 62
1978-10-01 100
1979-04-01 59
1979-07-01 28
1979-10-01 -25
1980-04-01 53
1980-07-01 -11
1980-10-01 -25
1981-01-01 -36
1982-01-01 -64
1982-04-01 -5
1982-07-01 40
1983-04-01 24
1983-07-01 38
1983-10-01 6
1984-01-01 110
1984-04-01 83
1984-07-01 83
1984-10-01 79
1985-01-01 38
1985-04-01 -60
1985-07-01 10
1985-10-01 -467
1986-01-01 -98
1986-04-01 -63
1986-07-01 -34
1986-10-01 -110
1987-01-01 -119
1987-04-01 -125
1987-07-01 -172
1987-10-01 -117
1988-01-01 -61
1988-04-01 -91
1988-07-01 -37
1988-10-01 76
1989-01-01 -147
1989-04-01 -133
1989-07-01 -64
1989-10-01 -68
1990-01-01 -64
1990-04-01 -196
1990-07-01 -89
1990-10-01 -110
1991-01-01 -119
1991-04-01 864
1991-10-01 114
1992-01-01 2319
1992-10-01 -161
1993-04-01 -34
1993-07-01 92
1993-10-01 708
1994-01-01 552
1994-04-01 -332
1994-07-01 54
1994-10-01 575
1995-01-01 -3
1995-04-01 283
1995-07-01 3
1995-10-01 203
1996-01-01 154
1996-04-01 3
1996-07-01 293
1996-10-01 522
1997-01-01 -67
1997-04-01 807
1997-07-01 176
1997-10-01 -80
1998-01-01 1336
1998-04-01 -36
1998-07-01 2
1998-10-01 70
1999-01-01 -60
1999-04-01 2818
1999-07-01 -27
1999-10-01 -375
2000-01-01 1270
2000-04-01 1088
2000-07-01 -9
2000-10-01 -7
2001-01-01 33
2001-04-01 612
2001-07-01 1881
2001-10-01 -40
2002-01-01 373
2002-04-01 998
2002-07-01 -227
2002-10-01 -603
2003-01-01 -2
2003-04-01 2158
2003-07-01 461
2003-10-01 -760
2004-01-01 494
2004-04-01 1464
2004-07-01 -6
2004-10-01 476
2005-01-01 -6
2005-04-01 -5
2005-07-01 1244
2005-10-01 687
2006-01-01 2518
2006-04-01 -456
2006-07-01 -506
2006-10-01 -219
2007-01-01 -279
2007-04-01 1584
2007-07-01 1370
2007-10-01 1280
2008-01-01 -9
2008-04-01 989
2008-07-01 -609
2009-01-01 971
2009-04-01 8000
2009-07-01 491
2009-10-01 7159
2010-01-01 3534
2010-04-01 3731
2010-07-01 -13
2010-10-01 3532
2011-01-01 1361
2011-04-01 1000
2011-07-01 -613
2011-10-01 5470
2012-01-01 1863
2012-04-01 -1200
2012-07-01 3344
2012-10-01 1500
2013-01-01 2583
2013-04-01 -1053
2013-07-01 4983
2013-10-01 3911
2014-01-01 1537
2014-04-01 -688
2014-07-01 5413
2014-10-01 -1153
2015-01-01 -603
2015-04-01 3084
2015-07-01 1232
2015-10-01 5365
2016-01-01 1963
2016-04-01 23538
2016-07-01 363
2016-10-01 40768
2017-01-01 16082
2017-04-01 19014
2017-07-01 5064
2017-10-01 25525
2018-01-01 18484
2018-04-01 36677