Quarterly US dollars
1999-03-31 -9734
1999-06-30 -3110
1999-09-30 2500
1999-12-31 1027
2000-03-31 4191
2000-06-30 3477
2000-09-30 9428
2000-12-31 4632
2001-03-31 10984
2001-06-30 -93
2001-09-30 283
2001-12-31 -8320
2002-03-31 -7476
2002-06-30 811
2002-09-30 -2030
2002-12-31 5735
2003-03-31 5670
2003-06-30 -6311
2003-09-30 2447
2003-12-31 3722
2004-03-31 7905
2004-06-30 -606
2004-09-30 18834
2004-12-31 -8473
2005-03-31 1348
2005-06-30 13948
2005-09-30 19580
2005-12-31 -1282
2006-03-31 17243
2006-06-30 5711
2006-09-30 22482
2006-12-31 4552
2007-03-31 3518
2007-06-30 3182
2007-09-30 18754
2007-12-31 52402
2008-03-31 126
2008-06-30 -32343
2008-09-30 16816
2008-12-31 -18652
2009-03-31 -41457
2009-06-30 -1862
2009-09-30 -617
2009-12-31 10564
2010-03-31 -4854
2010-06-30 -1802
2010-09-30 -16065
2010-12-31 11103
2011-03-31 22732
2011-06-30 2328
2011-09-30 59
2011-12-31 6485
2012-03-31 40722
2012-06-30 18439
2012-09-30 -33730
2012-12-31 -16183
2013-03-31 9505
2013-06-30 -13223
2013-09-30 9213
2013-12-31 -3989
2014-03-31 11578
2014-06-30 -4115
2014-09-30 883
2014-12-31 -8341
2015-03-31 -12199
2015-06-30 7614
2015-09-30 7724
2015-12-31 -9109
2016-03-31 -8870
2016-06-30 5110
2016-09-30 -4434
2016-12-31 -466
2017-03-31 22891
2017-06-30 2442
2017-09-30 3076
2017-12-31 2064
2018-03-31 24310
2018-06-30 -21054
2018-09-30 1804
2018-12-31 -672
2019-03-31 13445
2019-06-30 18500
2019-09-30 -6658
2019-12-31 -2036
2020-03-31 11918
2020-06-30 -36535
2020-09-30 -8853
2020-12-31 -2310
2021-03-31 -3617
2021-06-30 -2564
2021-09-30 16123
2021-12-31 -11441
2022-03-31 17721
2022-06-30 16996
2022-09-30 9484
2022-12-31 -13400
2023-03-31 22339
2023-06-30 9810
2023-09-30 -15019