Quarterly Millions of US Dollars
1970-10-01 15
1971-10-01 25
1972-01-01 40
1972-04-01 39
1972-07-01 122
1972-10-01 59
1973-01-01 256
1973-04-01 29
1973-07-01 34
1973-10-01 50
1974-01-01 53
1974-04-01 64
1975-04-01 166
1975-07-01 50
1975-10-01 60
1976-01-01 81
1976-04-01 172
1976-07-01 100
1976-10-01 203
1977-01-01 20
1977-04-01 149
1977-07-01 114
1977-10-01 190
1978-01-01 135
1978-04-01 29
1978-07-01 30
1978-10-01 35
1979-01-01 128
1979-04-01 -6
1979-07-01 -30
1979-10-01 100
1980-04-01 125
1980-07-01 -50
1980-10-01 -60
1981-01-01 25
1981-04-01 -80
1981-07-01 -48
1981-10-01 -135
1982-01-01 -8
1982-04-01 -43
1983-04-01 -5
1983-10-01 -30
1984-01-01 -108
1984-07-01 100
1984-10-01 157
1985-01-01 -25
1985-04-01 46
1985-07-01 -95
1985-10-01 228
1986-01-01 149
1986-04-01 488
1986-07-01 19
1986-10-01 571
1987-01-01 461
1987-04-01 584
1987-07-01 -184
1987-10-01 -416
1988-01-01 -174
1988-04-01 -172
1988-07-01 -229
1988-10-01 491
1989-01-01 1
1989-04-01 -149
1989-07-01 -1
1989-10-01 55
1990-01-01 857
1990-04-01 278
1990-07-01 1349
1990-10-01 1781
1991-01-01 1946
1991-04-01 2419
1991-07-01 2050
1991-10-01 2076
1992-01-01 1364
1992-04-01 1569
1992-07-01 969
1992-10-01 2217
1993-01-01 677
1993-04-01 1331
1993-07-01 3658
1993-10-01 683
1994-01-01 478
1994-04-01 875
1994-07-01 1664
1994-10-01 946
1995-01-01 -626
1995-04-01 2804
1995-07-01 125
1995-10-01 4486
1996-01-01 3590
1996-04-01 963
1996-07-01 1009
1996-10-01 341
1997-01-01 3503
1997-04-01 5607
1997-07-01 3601
1997-10-01 3458
1998-01-01 7851
1998-04-01 6726
1998-07-01 3958
1998-10-01 4852
1999-01-01 4672
1999-04-01 12358
1999-07-01 7601
1999-10-01 10743
2000-01-01 7888
2000-04-01 14767
2000-07-01 7025
2000-10-01 9960
2001-01-01 6161
2001-04-01 1730
2001-07-01 -4239
2001-10-01 471
2002-01-01 2777
2002-04-01 4013
2002-07-01 2479
2002-10-01 1545
2003-01-01 623
2003-04-01 2205
2003-07-01 6351
2003-10-01 3214
2004-01-01 -3223
2004-04-01 1743
2004-07-01 -636
2004-10-01 3994
2005-01-01 -488
2005-04-01 1642
2005-07-01 643
2005-10-01 7946
2006-01-01 14722
2006-04-01 540
2006-07-01 13744
2006-10-01 2617
2007-01-01 6657
2007-04-01 1981
2007-07-01 9454
2007-10-01 3412
2008-01-01 682
2008-04-01 8575
2008-07-01 313
2008-10-01 11849
2009-01-01 6012
2009-04-01 6669
2009-07-01 -3192
2009-10-01 -1087
2010-01-01 5955
2010-04-01 -161
2010-07-01 2109
2010-10-01 -4052
2011-01-01 3079
2011-04-01 14734
2011-07-01 2722
2011-10-01 8507
2012-01-01 15035
2012-04-01 2741
2012-07-01 8420
2012-10-01 4476
2013-01-01 8162
2013-04-01 -4526
2013-07-01 15092
2013-10-01 5256
2014-01-01 -15566
2014-04-01 -8810
2014-07-01 20822
2014-10-01 2564
2015-01-01 -1791
2015-04-01 6738
2015-07-01 3654
2015-10-01 13469
2016-01-01 8207
2016-04-01 1538
2016-07-01 2043
2016-10-01 -169
2017-01-01 -1541
2017-04-01 732
2017-07-01 3596
2017-10-01 1477
2018-01-01 -4525
2018-04-01 15097