Quarterly Millions of US Dollars
1971-10-01 15
1972-01-01 20
1972-04-01 52
1972-10-01 20
1973-07-01 77
1973-10-01 30
1974-01-01 50
1974-07-01 9
1975-01-01 24
1975-04-01 12
1975-10-01 19
1976-04-01 25
1976-07-01 60
1976-10-01 85
1977-01-01 62
1977-04-01 109
1977-07-01 77
1977-10-01 62
1978-01-01 116
1978-07-01 22
1978-10-01 42
1979-01-01 106
1980-04-01 -20
1980-07-01 25
1981-01-01 75
1981-07-01 -30
1981-10-01 30
1982-01-01 -14
1982-04-01 -4
1982-07-01 57
1982-10-01 20
1983-01-01 -76
1983-04-01 -25
1983-07-01 38
1983-10-01 108
1984-01-01 80
1984-07-01 -28
1984-10-01 75
1985-01-01 59
1985-04-01 107
1985-07-01 -50
1985-10-01 10
1986-01-01 -106
1986-04-01 -36
1986-07-01 120
1986-10-01 169
1987-01-01 47
1987-04-01 374
1987-07-01 -26
1987-10-01 73
1988-01-01 64
1988-04-01 46
1988-07-01 -78
1988-10-01 3
1989-01-01 -25
1989-04-01 128
1989-07-01 -68
1989-10-01 -250
1990-01-01 34
1990-04-01 70
1990-07-01 -24
1991-01-01 -32
1991-04-01 381
1991-07-01 174
1991-10-01 -85
1992-01-01 39
1992-04-01 -119
1992-07-01 -7
1992-10-01 -73
1993-01-01 -40
1993-04-01 159
1993-07-01 2524
1993-10-01 2975
1994-01-01 2635
1994-04-01 1081
1994-07-01 1615
1994-10-01 2379
1995-01-01 -1339
1995-04-01 -337
1995-07-01 1071
1995-10-01 1342
1996-01-01 2595
1996-04-01 343
1996-07-01 5008
1996-10-01 3371
1997-01-01 3724
1997-04-01 4420
1997-07-01 5781
1997-10-01 175
1998-01-01 874
1998-04-01 5164
1998-07-01 2238
1998-10-01 -572
1999-01-01 7852
1999-04-01 747
1999-07-01 1957
1999-10-01 3102
2000-01-01 1642
2000-04-01 5694
2000-07-01 6308
2000-10-01 3106
2001-01-01 9085
2001-04-01 8187
2001-07-01 4661
2001-10-01 5858
2002-01-01 3403
2002-04-01 474
2002-07-01 -326
2002-10-01 5243
2003-01-01 2004
2003-04-01 2543
2003-07-01 2542
2003-10-01 8730
2004-01-01 -293
2004-04-01 5001
2004-07-01 3853
2004-10-01 9793
2005-01-01 2915
2005-04-01 9293
2005-07-01 7299
2005-10-01 6253
2006-01-01 3970
2006-04-01 10594
2006-07-01 6477
2006-10-01 5938
2007-01-01 7127
2007-04-01 13860
2007-07-01 2138
2007-10-01 1970
2008-01-01 3746
2008-04-01 4062
2008-07-01 3432
2008-10-01 -4578
2009-01-01 -10084
2009-04-01 10306
2009-07-01 6925
2009-10-01 6073
2010-01-01 6801
2010-04-01 -3056
2010-07-01 6036
2010-10-01 1951
2011-01-01 -8256
2011-04-01 5414
2011-07-01 2048
2011-10-01 5924
2012-01-01 17464
2012-04-01 8719
2012-07-01 13669
2012-10-01 21396
2013-01-01 9723
2013-04-01 7338
2013-07-01 4958
2013-10-01 996
2014-01-01 4999
2014-04-01 1565
2014-07-01 11092
2014-10-01 -893
2015-01-01 8800
2015-04-01 3097
2015-07-01 -8958
2015-10-01 2191
2016-01-01 4697
2016-04-01 4132
2016-07-01 -4234
2016-10-01 5632
2017-01-01 5860
2017-04-01 5218
2017-07-01 25285
2017-10-01 390
2018-01-01 9950
2018-04-01 31744