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
1977-01-01 41
1977-04-01 15
1977-10-01 17
1978-01-01 21
1978-07-01 4
1979-01-01 10
1981-01-01 36
1982-01-01 16
1982-04-01 51
1982-10-01 -14
1983-01-01 57
1983-04-01 23
1983-10-01 22
1984-04-01 -11
1985-07-01 125
1985-10-01 39
1986-01-01 -1
1986-04-01 48
1986-07-01 -6
1986-10-01 -21
1987-01-01 52
1987-04-01 -9
1987-07-01 -7
1987-10-01 -18
1988-01-01 -20
1988-04-01 0
1988-07-01 -4
1988-10-01 -10
1989-01-01 72
1989-04-01 91
1989-10-01 -16
1990-01-01 -34
1990-10-01 -8
1991-01-01 0
1991-04-01 130
1991-10-01 -8
1992-01-01 109
1992-04-01 -62
1992-07-01 74
1992-10-01 -18
1993-01-01 34
1993-04-01 191
1993-07-01 214
1993-10-01 -9
1994-01-01 219
1994-04-01 -180
1994-07-01 129
1994-10-01 129
1995-01-01 187
1995-04-01 28
1995-07-01 -17
1995-10-01 -20
1996-01-01 109
1996-04-01 -30
1996-07-01 98
1996-10-01 -11
1997-01-01 11
1997-04-01 -64
1997-07-01 -27
1997-10-01 -9
1998-01-01 27
1998-04-01 -20
1998-07-01 -26
1998-10-01 30
1999-01-01 152
1999-04-01 303
1999-07-01 346
1999-10-01 177
2000-01-01 254
2000-04-01 488
2000-07-01 258
2000-10-01 358
2001-01-01 243
2001-04-01 -48
2001-07-01 -21
2001-10-01 454
2002-01-01 -143
2002-04-01 422
2002-07-01 345
2002-10-01 -304
2003-01-01 235
2003-04-01 959
2003-07-01 895
2003-10-01 1418
2004-01-01 1923
2004-04-01 1066
2004-07-01 3679
2004-10-01 3287
2005-01-01 3275
2005-04-01 4790
2005-07-01 3570
2005-10-01 4283
2006-01-01 2333
2006-04-01 888
2006-07-01 3050
2006-10-01 5400
2007-01-01 1439
2007-04-01 1803
2007-07-01 -783
2007-10-01 1297
2008-01-01 1965
2008-04-01 2121
2008-07-01 -820
2008-10-01 -2392
2009-01-01 -3129
2009-04-01 -2914
2009-07-01 -1927
2009-10-01 -3064
2010-01-01 -3300
2010-04-01 -2255
2010-07-01 -209
2010-10-01 -2574
2011-01-01 -1172
2011-04-01 -96
2011-07-01 -2079
2011-10-01 -3550
2012-01-01 -2201
2012-04-01 -1120
2012-07-01 -1980
2012-10-01 -600
2013-01-01 -162
2013-04-01 -132
2013-07-01 -295
2013-10-01 -220
2014-01-01 -159
2014-04-01 -318
2014-07-01 915
2014-10-01 -312
2015-01-01 -137
2015-04-01 -272
2015-07-01 -1838
2015-10-01 500
2016-01-01 101
2016-04-01 -2390
2016-07-01 550
2016-10-01 -717
2017-01-01 787
2017-04-01 336
2017-07-01 -48
2017-10-01 509
2018-01-01 -99
2018-04-01 -16