Quarterly US dollars
1986-12-31 13612
1987-03-31 14301
1987-06-30 22851
1987-09-30 29373
1987-12-31 20169
1988-03-31 -4318
1988-06-30 17198
1988-09-30 27802
1988-12-31 -5441
1989-03-31 26628
1989-06-30 -1006
1989-09-30 17646
1989-12-31 15838
1990-03-31 20370
1990-06-30 2734
1990-09-30 52149
1990-12-31 14289
1991-03-31 -4316
1991-06-30 -27380
1991-09-30 -1302
1991-12-31 -10246
1992-03-31 -10182
1992-06-30 4830
1992-09-30 72833
1992-12-31 3528
1993-03-31 -3207
1993-06-30 -380
1993-09-30 9495
1993-12-31 55195
1994-03-31 -871
1994-06-30 17377
1994-09-30 39768
1994-12-31 41336
1995-03-31 39282
1995-06-30 10791
1995-09-30 26143
1995-12-31 2288
1996-03-31 25782
1996-06-30 16284
1996-09-30 48465
1996-12-31 43334
1997-03-31 111361
1997-06-30 16814
1997-09-30 46193
1997-12-31 126449
1998-03-31 20858
1998-06-30 63667
1998-09-30 92222
1998-12-31 -81490
1999-03-31 71920
1999-06-30 39345
1999-09-30 -42905
1999-12-31 -33795
2000-03-31 173930
2000-06-30 54029
2000-09-30 57916
2000-12-31 52894
2001-03-31 201552
2001-06-30 -56801
2001-09-30 21794
2001-12-31 20202
2002-03-31 -2430
2002-06-30 -14063
2002-09-30 66772
2002-12-31 76247
2003-03-31 92651
2003-06-30 130963
2003-09-30 -20071
2003-12-31 51103
2004-03-31 359757
2004-06-30 5106
2004-09-30 64337
2004-12-31 34675
2005-03-31 275636
2005-06-30 223662
2005-09-30 57190
2005-12-31 76689
2006-03-31 367609
2006-06-30 66913
2006-09-30 196520
2006-12-31 78185
2007-03-31 596957
2007-06-30 236142
2007-09-30 272741
2007-12-31 199529
2008-03-31 294201
2008-06-30 -554055
2008-09-30 148411
2008-12-31 -588172
2009-03-31 -45221
2009-06-30 -166527
2009-09-30 -138614
2009-12-31 -76278
2010-03-31 153081
2010-06-30 30058
2010-09-30 127486
2010-12-31 -156179
2011-03-31 96318
2011-06-30 -18422
2011-09-30 90074
2011-12-31 -131498
2012-03-31 97087
2012-06-30 -132827
2012-09-30 -76542
2012-12-31 -127630
2013-03-31 -53526
2013-06-30 -143604
2013-09-30 -248869
2013-12-31 -92649
2014-03-31 94856
2014-06-30 30449
2014-09-30 50747
2014-12-31 -38151
2015-03-31 59280
2015-06-30 -138400
2015-09-30 -884
2015-12-31 -28984
2016-03-31 -38435
2016-06-30 161952
2016-09-30 -323
2016-12-31 -61355
2017-03-31 22244
2017-06-30 7889
2017-09-30 55193
2017-12-31 128348
2018-03-31 133700
2018-06-30 -126714
2018-09-30 -63630
2018-12-31 192851
2019-03-31 8341
2019-06-30 5192
2019-09-30 29630
2019-12-31 -114004
2020-03-31 604510
2020-06-30 -351840
2020-09-30 -14671
2020-12-31 121152
2021-03-31 113917
2021-06-30 -33701
2021-09-30 29615
2021-12-31 125060
2022-03-31 236586
2022-06-30 94344
2022-09-30 98669
2022-12-31 -283700
2023-03-31 78099
2023-06-30 -87119
2023-09-30 112148