Quarterly Millions of US Dollars
1962-10-01 6
1968-04-01 5
1971-01-01 10
1972-01-01 15
1972-04-01 6
1972-10-01 10
1973-07-01 5
1973-10-01 16
1974-04-01 9
1974-10-01 16
1975-07-01 6
1975-10-01 14
1976-01-01 19
1976-07-01 15
1976-10-01 8
1977-01-01 41
1977-04-01 15
1977-07-01 10
1977-10-01 17
1978-01-01 21
1978-07-01 4
1979-01-01 10
1980-10-01 11
1981-01-01 36
1981-04-01 7
1981-10-01 -9
1982-01-01 16
1982-04-01 51
1982-07-01 -12
1982-10-01 -14
1983-01-01 57
1983-04-01 23
1983-10-01 17
1984-01-01 12
1984-04-01 -11
1984-10-01 -4
1985-04-01 17
1985-07-01 155
1985-10-01 174
1986-01-01 38
1986-04-01 86
1986-07-01 112
1986-10-01 40
1987-01-01 52
1987-04-01 49
1987-07-01 39
1987-10-01 28
1988-01-01 12
1988-04-01 148
1988-07-01 37
1988-10-01 76
1989-01-01 210
1989-04-01 92
1989-07-01 1
1989-10-01 133
1990-01-01 -23
1990-04-01 165
1990-07-01 -39
1990-10-01 152
1991-01-01 -55
1991-04-01 123
1991-07-01 45
1991-10-01 32
1992-01-01 352
1992-04-01 36
1992-07-01 166
1992-10-01 -25
1993-01-01 174
1993-04-01 208
1993-07-01 613
1993-10-01 204
1994-01-01 150
1994-04-01 -197
1994-07-01 169
1994-10-01 -21
1995-01-01 194
1995-04-01 7
1995-07-01 -4
1995-10-01 -92
1996-01-01 113
1996-04-01 396
1996-07-01 69
1996-10-01 -242
1997-01-01 -169
1997-04-01 148
1997-07-01 85
1997-10-01 -13
1998-01-01 0
1998-04-01 418
1998-07-01 -158
1998-10-01 643
1999-01-01 457
1999-04-01 410
1999-07-01 283
1999-10-01 221
2000-01-01 605
2000-04-01 558
2000-07-01 221
2000-10-01 752
2001-01-01 1348
2001-04-01 199
2001-07-01 -194
2001-10-01 592
2002-01-01 -412
2002-04-01 725
2002-07-01 -80
2002-10-01 188
2003-01-01 298
2003-04-01 790
2003-07-01 781
2003-10-01 1726
2004-01-01 1652
2004-04-01 1432
2004-07-01 4213
2004-10-01 2835
2005-01-01 4229
2005-04-01 4666
2005-07-01 3416
2005-10-01 5213
2006-01-01 1902
2006-04-01 573
2006-07-01 2145
2006-10-01 6538
2007-01-01 3509
2007-04-01 684
2007-07-01 -777
2007-10-01 817
2008-01-01 1084
2008-04-01 293
2008-07-01 -1431
2008-10-01 -2671
2009-01-01 -3159
2009-04-01 -2185
2009-07-01 146
2009-10-01 -3041
2010-01-01 -2073
2010-04-01 -116
2010-07-01 -2886
2010-10-01 -3056
2011-01-01 -625
2011-04-01 621
2011-07-01 -2261
2011-10-01 -3752
2012-01-01 -2738
2012-04-01 -1241
2012-07-01 -3981
2012-10-01 -2201
2013-01-01 -2407
2013-04-01 -1590
2013-07-01 -146
2013-10-01 -253
2014-01-01 -163
2014-04-01 -352
2014-07-01 915
2014-10-01 -375
2015-01-01 -143
2015-04-01 -1167
2015-07-01 -1838
2015-10-01 455
2016-01-01 101
2016-04-01 -2390
2016-07-01 550
2016-10-01 -717
2017-01-01 354
2017-04-01 336
2017-07-01 -48
2017-10-01 509
2018-01-01 -118
2018-04-01 -16