Quarterly Millions of US Dollars
1967-04-01 25
1971-01-01 11
1972-01-01 45
1972-04-01 21
1972-07-01 101
1972-10-01 78
1973-01-01 30
1973-04-01 22
1974-10-01 18
1975-01-01 22
1975-07-01 84
1975-10-01 126
1976-01-01 53
1976-04-01 85
1976-07-01 221
1976-10-01 65
1977-01-01 123
1977-04-01 42
1977-07-01 32
1977-10-01 128
1978-01-01 175
1978-04-01 96
1978-07-01 244
1978-10-01 94
1979-01-01 164
1979-04-01 109
1979-07-01 71
1979-10-01 -21
1980-01-01 115
1980-04-01 292
1980-07-01 226
1980-10-01 92
1981-01-01 200
1981-04-01 24
1981-07-01 160
1981-10-01 111
1982-01-01 278
1982-04-01 114
1982-07-01 -135
1982-10-01 207
1983-01-01 74
1983-04-01 206
1983-10-01 822
1984-01-01 927
1984-04-01 288
1984-07-01 1132
1984-10-01 455
1985-01-01 215
1985-04-01 689
1985-07-01 -452
1985-10-01 -335
1986-01-01 -180
1986-04-01 708
1986-07-01 2683
1986-10-01 1627
1987-01-01 2558
1987-04-01 -93
1987-07-01 133
1987-10-01 24
1988-01-01 -244
1988-04-01 397
1988-07-01 -151
1988-10-01 -1236
1989-01-01 -492
1989-04-01 -28
1989-07-01 -275
1989-10-01 637
1990-01-01 1418
1990-04-01 -549
1990-07-01 750
1990-10-01 -256
1991-01-01 -922
1991-04-01 -315
1991-07-01 -820
1991-10-01 -1764
1992-01-01 -2850
1992-04-01 -342
1992-07-01 100
1992-10-01 531
1993-01-01 1253
1993-04-01 1193
1993-07-01 6507
1993-10-01 485
1994-01-01 -822
1994-04-01 -1205
1994-07-01 -195
1994-10-01 -304
1995-01-01 -777
1995-04-01 -29
1995-07-01 -648
1995-10-01 -165
1996-01-01 -542
1996-04-01 141
1996-07-01 -222
1996-10-01 392
1997-01-01 809
1997-04-01 133
1997-07-01 -151
1997-10-01 -882
1998-01-01 -860
1998-04-01 -1113
1998-07-01 -570
1998-10-01 -847
1999-01-01 52
1999-04-01 -205
1999-07-01 771
1999-10-01 -816
2000-01-01 -981
2000-04-01 -159
2000-07-01 181
2000-10-01 121
2001-01-01 -386
2001-04-01 364
2001-07-01 -398
2001-10-01 -656
2002-01-01 -544
2002-04-01 -424
2002-07-01 -33
2002-10-01 -1205
2003-01-01 -431
2003-04-01 1943
2003-07-01 -886
2003-10-01 -849
2004-01-01 -266
2004-04-01 -465
2004-07-01 -496
2004-10-01 -417
2005-01-01 2383
2005-04-01 -689
2005-07-01 -679
2006-01-01 -61
2006-04-01 -62
2006-10-01 -1056
2007-01-01 -45
2007-04-01 -25
2007-07-01 -120
2007-10-01 -190
2008-01-01 -112
2008-07-01 -592
2008-10-01 6148
2009-01-01 4327
2009-04-01 5735
2009-07-01 -353
2009-10-01 -339
2010-01-01 127
2010-04-01 -1990
2010-07-01 22
2010-10-01 -453
2011-01-01 5953
2011-04-01 600
2011-07-01 2690
2011-10-01 -5920
2012-01-01 -2690
2012-04-01 -1643
2012-07-01 -170
2012-10-01 -137
2013-01-01 -5211
2013-04-01 1533
2013-07-01 -20
2013-10-01 -73
2014-01-01 -1504
2014-04-01 -441
2014-07-01 -231
2014-10-01 -130
2015-01-01 -151
2015-04-01 -1267
2015-07-01 -407
2015-10-01 -1617
2016-01-01 -2755
2016-04-01 -1338
2016-07-01 -323
2016-10-01 51
2017-01-01 -2810