Quarterly Millions of US Dollars
1968-01-01 60
1968-04-01 60
1972-01-01 46
1972-04-01 103
1972-10-01 30
1973-01-01 37
1973-10-01 98
1974-01-01 20
1974-04-01 23
1974-07-01 33
1974-10-01 33
1975-01-01 88
1975-04-01 61
1975-07-01 100
1975-10-01 29
1976-01-01 67
1976-04-01 109
1976-07-01 31
1976-10-01 99
1977-01-01 35
1977-04-01 342
1977-07-01 33
1977-10-01 11
1978-01-01 166
1978-04-01 202
1978-07-01 119
1978-10-01 69
1979-01-01 57
1979-04-01 64
1979-07-01 38
1979-10-01 -25
1980-01-01 -12
1980-04-01 -5
1980-07-01 86
1980-10-01 65
1981-01-01 -11
1981-04-01 114
1981-07-01 92
1981-10-01 14
1982-01-01 104
1982-04-01 28
1982-07-01 485
1982-10-01 396
1983-01-01 1022
1983-04-01 695
1983-07-01 5
1983-10-01 785
1984-01-01 883
1984-04-01 222
1984-07-01 483
1984-10-01 553
1985-01-01 516
1985-04-01 556
1985-07-01 885
1985-10-01 868
1986-01-01 1702
1986-04-01 3702
1986-07-01 2297
1986-10-01 2071
1987-01-01 3259
1987-04-01 1741
1987-07-01 2221
1987-10-01 829
1988-01-01 2047
1988-04-01 1926
1988-07-01 2266
1988-10-01 2370
1989-01-01 1824
1989-04-01 2764
1989-07-01 1505
1989-10-01 1231
1990-01-01 2023
1990-04-01 1302
1990-07-01 1568
1990-10-01 257
1991-01-01 1308
1991-04-01 2039
1991-07-01 1520
1991-10-01 4252
1992-01-01 2822
1992-04-01 3858
1992-07-01 2728
1992-10-01 3663
1993-01-01 5693
1993-04-01 5905
1993-07-01 8563
1993-10-01 8860
1994-01-01 12377
1994-04-01 5990
1994-07-01 7275
1994-10-01 11380
1995-01-01 11492
1995-04-01 14024
1995-07-01 13127
1995-10-01 15878
1996-01-01 21213
1996-04-01 17327
1996-07-01 17137
1996-10-01 22438
1997-01-01 28974
1997-04-01 20702
1997-07-01 14818
1997-10-01 8600
1998-01-01 27130
1998-04-01 21637
1998-07-01 16771
1998-10-01 1572
1999-01-01 40456
1999-04-01 29185
1999-07-01 49895
1999-10-01 26943
2000-01-01 45881
2000-04-01 51059
2000-07-01 48989
2000-10-01 41964
2001-01-01 48079
2001-04-01 28053
2001-07-01 13774
2001-10-01 24011
2002-01-01 35392
2002-04-01 41165
2002-07-01 30791
2002-10-01 17833
2003-01-01 51288
2003-04-01 34507
2003-07-01 14478
2003-10-01 44813
2004-01-01 48197
2004-04-01 43624
2004-07-01 61435
2004-10-01 34283
2005-01-01 60956
2005-04-01 59045
2005-07-01 -11872
2005-10-01 45978
2006-01-01 72498
2006-04-01 60568
2006-07-01 48485
2006-10-01 47114
2007-01-01 52768
2007-04-01 68261
2007-07-01 1312
2007-10-01 21667
2008-01-01 -822
2008-04-01 36004
2008-07-01 -25487
2008-10-01 2294
2009-01-01 -9878
2009-04-01 2380
2009-07-01 -28039
2009-10-01 -29186
2010-01-01 5681
2010-04-01 -24646
2010-07-01 -909
2010-10-01 -39190
2011-01-01 -7257
2011-04-01 3929
2011-07-01 36887
2011-10-01 19289
2012-01-01 16917
2012-04-01 12517
2012-07-01 -36907
2012-10-01 21821
2013-01-01 -7459
2013-04-01 -2426
2013-07-01 -30056
2013-10-01 -19362
2014-01-01 -16923
2014-04-01 19161
2014-07-01 6881
2014-10-01 11730
2015-01-01 1643
2015-04-01 -1365
2015-07-01 -6497
2015-10-01 -50194
2016-01-01 32406
2016-04-01 3146
2016-07-01 24309
2016-10-01 -10848
2017-01-01 32274
2017-04-01 10752
2017-07-01 10716
2017-10-01 74
2018-01-01 20225
2018-04-01 14828