Quarterly US dollars
1987-03-31 -495
1987-06-30 6015
1987-09-30 2779
1987-12-31 478
1988-03-31 -4571
1988-06-30 1522
1988-09-30 -706
1988-12-31 5140
1989-03-31 5807
1989-06-30 2793
1989-09-30 -3615
1989-12-31 3660
1990-03-31 5787
1990-06-30 -1456
1990-09-30 3160
1990-12-31 2365
1991-03-31 1550
1991-06-30 1464
1991-09-30 1005
1991-12-31 -38602
1992-03-31 745
1992-06-30 -2281
1992-09-30 -2962
1992-12-31 8670
1993-03-31 -1532
1993-06-30 4384
1993-09-30 -4552
1993-12-31 8881
1994-03-31 6424
1994-06-30 4784
1994-09-30 7188
1994-12-31 8645
1995-03-31 2948
1995-06-30 -5483
1995-09-30 9237
1995-12-31 9286
1996-03-31 9031
1996-06-30 6518
1996-09-30 12217
1996-12-31 4000
1997-03-31 36004
1997-06-30 -6264
1997-09-30 183573
1997-12-31 18072
1998-03-31 12067
1998-06-30 -40
1998-09-30 -9156
1998-12-31 -21899
1999-03-31 12664
1999-06-30 4478
1999-09-30 10839
1999-12-31 -3719
2000-03-31 7823
2000-06-30 39201
2000-09-30 6097
2000-12-31 -11783
2001-03-31 -9186
2001-06-30 16417
2001-09-30 18520
2001-12-31 5670
2002-03-31 -14194
2002-06-30 -12539
2002-09-30 13110
2002-12-31 -12975
2003-03-31 -13440
2003-06-30 8561
2003-09-30 -6710
2003-12-31 10748
2004-03-31 17922
2004-06-30 17827
2004-09-30 -3613
2004-12-31 -8413
2005-03-31 3530
2005-06-30 46996
2005-09-30 -15978
2005-12-31 41712
2006-03-31 35192
2006-06-30 -16785
2006-09-30 28077
2006-12-31 45113
2007-03-31 52859
2007-06-30 21098
2007-09-30 -9292
2007-12-31 43860
2008-03-31 87652
2008-06-30 -86356
2008-09-30 -13722
2008-12-31 80175
2009-03-31 68840
2009-06-30 -126218
2009-09-30 -39205
2009-12-31 -18827
2010-03-31 8276
2010-06-30 21377
2010-09-30 172
2010-12-31 42415
2011-03-31 48345
2011-06-30 -5535
2011-09-30 102019
2011-12-31 -9257
2012-03-31 -65515
2012-06-30 -149043
2012-09-30 -6662
2012-12-31 7366
2013-03-31 13271
2013-06-30 -18560
2013-09-30 -20583
2013-12-31 2939
2014-03-31 13742
2014-06-30 23239
2014-09-30 43988
2014-12-31 31106
2015-03-31 2038
2015-06-30 944
2015-09-30 -7292
2015-12-31 -7685
2016-03-31 7585
2016-06-30 23188
2016-09-30 52306
2016-12-31 58187
2017-03-31 6115
2017-06-30 31836
2017-09-30 25277
2017-12-31 31676
2018-03-31 64647
2018-06-30 -7712
2018-09-30 -69624
2018-12-31 138305
2019-03-31 -18331
2019-06-30 -18534
2019-09-30 -7186
2019-12-31 -64996
2020-03-31 225754
2020-06-30 -86471
2020-09-30 13391
2020-12-31 59966
2021-03-31 87327
2021-06-30 -37903
2021-09-30 -2941
2021-12-31 -36339
2022-03-31 111396
2022-06-30 25378
2022-09-30 14860
2022-12-31 -134988
2023-03-31 -4832
2023-06-30 -107182
2023-09-30 53882