Quarterly Millions of US Dollars
1970-10-01 15
1971-01-01 25
1971-10-01 105
1972-01-01 115
1972-04-01 142
1972-07-01 172
1972-10-01 159
1973-01-01 429
1973-04-01 284
1973-07-01 238
1973-10-01 184
1974-01-01 107
1974-04-01 64
1974-07-01 40
1974-10-01 95
1975-04-01 216
1975-07-01 110
1975-10-01 60
1976-01-01 350
1976-04-01 322
1976-07-01 100
1976-10-01 210
1977-01-01 188
1977-04-01 271
1977-07-01 164
1977-10-01 228
1978-01-01 408
1978-04-01 414
1978-07-01 160
1978-10-01 6
1979-01-01 143
1979-04-01 129
1979-07-01 31
1979-10-01 155
1980-01-01 -34
1980-04-01 25
1980-07-01 -50
1980-10-01 -176
1981-01-01 5
1981-04-01 -130
1981-07-01 -78
1981-10-01 -160
1982-01-01 -13
1982-04-01 -93
1982-07-01 -50
1982-10-01 100
1983-01-01 -72
1983-04-01 -120
1983-07-01 -34
1983-10-01 -38
1984-01-01 -183
1984-04-01 -28
1984-07-01 100
1984-10-01 262
1985-01-01 -123
1985-04-01 95
1985-07-01 809
1985-10-01 3932
1986-01-01 211
1986-04-01 1135
1986-07-01 1304
1986-10-01 791
1987-01-01 1034
1987-04-01 1281
1987-07-01 75
1987-10-01 813
1988-01-01 1069
1988-04-01 2902
1988-07-01 3544
1988-10-01 -490
1989-01-01 2942
1989-04-01 434
1989-07-01 5018
1989-10-01 5124
1990-01-01 5157
1990-04-01 2531
1990-07-01 6924
1990-10-01 5565
1991-01-01 8202
1991-04-01 7219
1991-07-01 6427
1991-10-01 4535
1992-01-01 4613
1992-04-01 4643
1992-07-01 1551
1992-10-01 9855
1993-01-01 2162
1993-04-01 8723
1993-07-01 18785
1993-10-01 10772
1994-01-01 11096
1994-04-01 9194
1994-07-01 12025
1994-10-01 5249
1995-01-01 10149
1995-04-01 9796
1995-07-01 8582
1995-10-01 11904
1996-01-01 11756
1996-04-01 14795
1996-07-01 12665
1996-10-01 25828
1997-01-01 15028
1997-04-01 17344
1997-07-01 18564
1997-10-01 8452
1998-01-01 25151
1998-04-01 19911
1998-07-01 18174
1998-10-01 4259
1999-01-01 43020
1999-04-01 41782
1999-07-01 43166
1999-10-01 25677
2000-01-01 46796
2000-04-01 50046
2000-07-01 23879
2000-10-01 37955
2001-01-01 19565
2001-04-01 18516
2001-07-01 7273
2001-10-01 25720
2002-01-01 10867
2002-04-01 35460
2002-07-01 36462
2002-10-01 21026
2003-01-01 47964
2003-04-01 56610
2003-07-01 59938
2003-10-01 79255
2004-01-01 78425
2004-04-01 72994
2004-07-01 79914
2004-10-01 88094
2005-01-01 81461
2005-04-01 80719
2005-07-01 93586
2005-10-01 99839
2006-01-01 102037
2006-04-01 65017
2006-07-01 116896
2006-10-01 130039
2007-01-01 177780
2007-04-01 160557
2007-07-01 108694
2007-10-01 56342
2008-01-01 70365
2008-04-01 225545
2008-07-01 126626
2008-10-01 282867
2009-01-01 38595
2009-04-01 25913
2009-07-01 72626
2009-10-01 -47266
2010-01-01 50284
2010-04-01 -47339
2010-07-01 58698
2010-10-01 -102929
2011-01-01 37733
2011-04-01 33421
2011-07-01 -40941
2011-10-01 -50196
2012-01-01 77216
2012-04-01 -50905
2012-07-01 -44315
2012-10-01 -29838
2013-01-01 -24231
2013-04-01 -69533
2013-07-01 -24657
2013-10-01 11125
2014-01-01 -27159
2014-04-01 10079
2014-07-01 45774
2014-10-01 -20398
2015-01-01 11139
2015-04-01 14498
2015-07-01 -18738
2015-10-01 -38099
2016-01-01 28300
2016-04-01 -1840
2016-07-01 20811
2016-10-01 13021
2017-01-01 14239
2017-04-01 26444
2017-07-01 35946
2017-10-01 14064
2018-01-01 -10448
2018-04-01 47968