Quarterly US dollars
1986-12-31 2005
1987-03-31 -2588
1987-06-30 -933
1987-09-30 3196
1987-12-31 9605
1988-03-31 5985
1988-06-30 2136
1988-09-30 4786
1988-12-31 821
1989-03-31 19181
1989-06-30 13500
1989-09-30 -6172
1989-12-31 10847
1990-03-31 21615
1990-06-30 1869
1990-09-30 23896
1990-12-31 13458
1991-03-31 18634
1991-06-30 -10954
1991-09-30 123
1991-12-31 6037
1992-03-31 7795
1992-06-30 1243
1992-09-30 49055
1992-12-31 14697
1993-03-31 10268
1993-06-30 -4141
1993-09-30 1909
1993-12-31 19730
1994-03-31 6264
1994-06-30 -3891
1994-09-30 11173
1994-12-31 35906
1995-03-31 33300
1995-06-30 11081
1995-09-30 -2380
1995-12-31 491
1996-03-31 23448
1996-06-30 -5806
1996-09-30 20419
1996-12-31 4022
1997-03-31 43915
1997-06-30 519
1997-09-30 44950
1997-12-31 42547
1998-03-31 88877
1998-06-30 16637
1998-09-30 47314
1998-12-31 -37805
1999-03-31 31204
1999-06-30 -14448
1999-09-30 17863
1999-12-31 -8734
2000-03-31 101138
2000-06-30 -8875
2000-09-30 17308
2000-12-31 29367
2001-03-31 135952
2001-06-30 -20063
2001-09-30 16371
2001-12-31 -33993
2002-03-31 -7456
2002-06-30 -25335
2002-09-30 45635
2002-12-31 34885
2003-03-31 42021
2003-06-30 47379
2003-09-30 -28221
2003-12-31 37876
2004-03-31 182073
2004-06-30 2049
2004-09-30 8922
2004-12-31 -42721
2005-03-31 170074
2005-06-30 71063
2005-09-30 41970
2005-12-31 44924
2006-03-31 118998
2006-06-30 21172
2006-09-30 51350
2006-12-31 75483
2007-03-31 234137
2007-06-30 142604
2007-09-30 49206
2007-12-31 25046
2008-03-31 232128
2008-06-30 -129728
2008-09-30 -5969
2008-12-31 -129416
2009-03-31 -70289
2009-06-30 -9064
2009-09-30 -97746
2009-12-31 -71701
2010-03-31 54474
2010-06-30 62331
2010-09-30 14595
2010-12-31 -181233
2011-03-31 3275
2011-06-30 -20779
2011-09-30 88962
2011-12-31 -117604
2012-03-31 148324
2012-06-30 19362
2012-09-30 -104163
2012-12-31 -92796
2013-03-31 -93863
2013-06-30 -71217
2013-09-30 -198130
2013-12-31 -103697
2014-03-31 65316
2014-06-30 -28794
2014-09-30 -8635
2014-12-31 -1652
2015-03-31 136140
2015-06-30 -78310
2015-09-30 5621
2015-12-31 -27639
2016-03-31 29459
2016-06-30 69723
2016-09-30 10806
2016-12-31 -44621
2017-03-31 60033
2017-06-30 4442
2017-09-30 -46255
2017-12-31 9768
2018-03-31 30193
2018-06-30 25079
2018-09-30 24374
2018-12-31 -44177
2019-03-31 21199
2019-06-30 17148
2019-09-30 34855
2019-12-31 -182333
2020-03-31 181086
2020-06-30 -62287
2020-09-30 11540
2020-12-31 -10164
2021-03-31 83295
2021-06-30 -30376
2021-09-30 -70401
2021-12-31 -7085
2022-03-31 84935
2022-06-30 42977
2022-09-30 1890
2022-12-31 -103043
2023-03-31 3493
2023-06-30 -38625
2023-09-30 -22840