Quarterly Millions of US Dollars
1966-01-01 15
1972-01-01 50
1972-04-01 15
1974-07-01 34
1974-10-01 84
1975-01-01 31
1975-04-01 87
1975-07-01 286
1975-10-01 33
1976-04-01 150
1976-07-01 71
1976-10-01 191
1977-01-01 30
1977-04-01 231
1977-07-01 173
1977-10-01 110
1978-01-01 303
1978-04-01 174
1978-10-01 316
1979-01-01 96
1979-04-01 152
1979-07-01 157
1979-10-01 0
1980-04-01 94
1980-07-01 -12
1980-10-01 25
1981-01-01 97
1981-04-01 114
1981-07-01 -6
1981-10-01 249
1982-01-01 443
1982-04-01 180
1982-07-01 32
1982-10-01 486
1983-01-01 222
1983-04-01 -126
1983-07-01 -38
1984-01-01 136
1984-04-01 105
1984-07-01 84
1984-10-01 666
1985-01-01 68
1985-04-01 237
1985-07-01 737
1985-10-01 67
1986-01-01 553
1986-04-01 590
1986-07-01 1251
1986-10-01 548
1987-01-01 777
1987-04-01 696
1987-07-01 66
1987-10-01 366
1988-01-01 -254
1988-04-01 951
1988-07-01 -167
1988-10-01 89
1989-01-01 -472
1989-04-01 -34
1989-07-01 75
1989-10-01 198
1990-01-01 -162
1990-04-01 264
1990-07-01 -66
1990-10-01 -299
1991-01-01 -76
1991-04-01 -98
1991-07-01 -153
1991-10-01 -1044
1992-01-01 -138
1992-04-01 -1511
1992-07-01 -524
1992-10-01 -412
1993-01-01 -929
1993-04-01 -498
1993-07-01 237
1993-10-01 -217
1994-01-01 99
1994-04-01 -373
1994-07-01 -191
1994-10-01 45
1995-01-01 -686
1995-04-01 -255
1995-07-01 -365
1995-10-01 213
1996-01-01 -208
1996-04-01 458
1996-07-01 -860
1996-10-01 272
1997-01-01 -216
1997-04-01 132
1997-07-01 -138
1997-10-01 650
1998-01-01 139
1998-04-01 -291
1998-07-01 -186
1998-10-01 -12
1999-01-01 -183
1999-04-01 -332
1999-07-01 211
1999-10-01 -117
2000-01-01 6
2000-04-01 465
2000-07-01 -528
2000-10-01 456
2001-01-01 186
2001-04-01 674
2001-07-01 -395
2001-10-01 103
2002-01-01 -260
2002-04-01 1026
2002-07-01 419
2002-10-01 -963
2003-01-01 1018
2003-04-01 -473
2003-07-01 -649
2003-10-01 -182
2004-01-01 158
2004-04-01 166
2004-07-01 370
2004-10-01 746
2005-01-01 -1313
2005-04-01 -830
2005-07-01 -30
2005-10-01 -1105
2006-01-01 -765
2006-04-01 -23
2006-07-01 -32
2006-10-01 44
2007-01-01 -10
2007-04-01 928
2007-07-01 -505
2007-10-01 2065
2008-01-01 -294
2008-04-01 -644
2008-07-01 -462
2008-10-01 -348
2009-01-01 -27
2009-04-01 -99
2009-07-01 -152
2009-10-01 2153
2010-01-01 45
2010-04-01 630
2010-07-01 204
2010-10-01 3610
2011-01-01 2761
2011-04-01 -770
2011-07-01 2845
2011-10-01 768
2012-01-01 1838
2012-04-01 -289
2012-07-01 1238
2012-10-01 905
2013-01-01 941
2013-04-01 -1755
2013-07-01 500
2013-10-01 409
2014-01-01 -4124
2014-04-01 1036
2014-07-01 83
2014-10-01 -104
2015-01-01 148
2015-04-01 251
2015-07-01 324
2015-10-01 -223
2016-01-01 -147
2016-04-01 3141
2016-07-01 -2696
2016-10-01 -5351
2017-01-01 -446
2017-04-01 48
2017-07-01 -92
2017-10-01 991
2018-01-01 144
2018-04-01 167