Quarterly US dollars
1987-03-31 -81
1987-06-30 3406
1987-09-30 509
1987-12-31 4679
1988-03-31 -540
1988-06-30 2367
1988-09-30 1221
1988-12-31 5281
1989-03-31 1249
1989-06-30 4145
1989-09-30 -559
1989-12-31 5519
1990-03-31 766
1990-06-30 6929
1990-09-30 7517
1990-12-31 4349
1991-03-31 6096
1991-06-30 -7751
1991-09-30 392
1991-12-31 2914
1992-03-31 -649
1992-06-30 1688
1992-09-30 5260
1992-12-31 -2704
1993-03-31 -2685
1993-06-30 -2219
1993-09-30 -2886
1993-12-31 -1524
1994-03-31 -584
1994-06-30 882
1994-09-30 -1561
1994-12-31 -147
1995-03-31 -1882
1995-06-30 -2111
1995-09-30 1689
1995-12-31 1799
1996-03-31 1120
1996-06-30 2619
1996-09-30 1272
1996-12-31 1546
1997-03-31 -377
1997-06-30 1660
1997-09-30 70640
1997-12-31 9950
1998-03-31 -828
1998-06-30 905
1998-09-30 -3273
1998-12-31 2391
1999-03-31 -2131
1999-06-30 -1098
1999-09-30 -1187
1999-12-31 -569
2000-03-31 2129
2000-06-30 4389
2000-09-30 -3548
2000-12-31 2396
2001-03-31 8341
2001-06-30 820
2001-09-30 -5015
2001-12-31 298
2002-03-31 -8196
2002-06-30 -3800
2002-09-30 -6475
2002-12-31 1545
2003-03-31 -2373
2003-06-30 5389
2003-09-30 -1856
2003-12-31 5264
2004-03-31 -4788
2004-06-30 -5478
2004-09-30 -2673
2004-12-31 6350
2005-03-31 -11569
2005-06-30 1432
2005-09-30 3180
2005-12-31 6969
2006-03-31 437
2006-06-30 6266
2006-09-30 3660
2006-12-31 -3301
2007-03-31 9703
2007-06-30 -436
2007-09-30 6784
2007-12-31 2673
2008-03-31 -6802
2008-06-30 13952
2008-09-30 5953
2008-12-31 -20076
2009-03-31 7726
2009-06-30 10924
2009-09-30 -20098
2009-12-31 -7269
2010-03-31 -4587
2010-06-30 -1278
2010-09-30 1392
2010-12-31 1648
2011-03-31 -427
2011-06-30 -1519
2011-09-30 -33676
2011-12-31 -18309
2012-03-31 9633
2012-06-30 -8794
2012-09-30 -1482
2012-12-31 5504
2013-03-31 -3610
2013-06-30 -6492
2013-09-30 -2164
2013-12-31 -5714
2014-03-31 5198
2014-06-30 179
2014-09-30 -2484
2014-12-31 -5671
2015-03-31 -1737
2015-06-30 -1723
2015-09-30 -1484
2015-12-31 1464
2016-03-31 2020
2016-06-30 -94
2016-09-30 -1674
2016-12-31 6291
2017-03-31 -6553
2017-06-30 689
2017-09-30 916
2017-12-31 3504
2018-03-31 -4982
2018-06-30 -1820
2018-09-30 -1855
2018-12-31 -2204
2019-03-31 2803
2019-06-30 327
2019-09-30 1892
2019-12-31 1065
2020-03-31 -283
2020-06-30 1706
2020-09-30 -682
2020-12-31 901
2021-03-31 -6300
2021-06-30 -2354
2021-09-30 -541
2021-12-31 -190
2022-03-31 -4585
2022-06-30 -3583
2022-09-30 -4644
2022-12-31 -5635
2023-03-31 -407
2023-06-30 15
2023-09-30 10