Quarterly US dollars
1999-09-30 -390
1999-12-31 -621
2000-03-31 -544
2000-06-30 -581
2000-09-30 -325
2000-12-31 33
2001-03-31 400
2001-06-30 588
2001-09-30 440
2001-12-31 1068
2002-03-31 1018
2002-06-30 414
2002-09-30 1021
2002-12-31 336
2003-03-31 -774
2003-06-30 -465
2003-09-30 -362
2003-12-31 -19
2004-03-31 684
2004-06-30 777
2004-09-30 633
2004-12-31 351
2005-03-31 783
2005-06-30 484
2005-09-30 497
2005-12-31 1047
2006-03-31 521
2006-06-30 687
2006-09-30 1072
2006-12-31 1427
2007-03-31 1159
2007-06-30 1463
2007-09-30 367
2007-12-31 -848
2008-03-31 -2602
2008-06-30 -1704
2008-09-30 -1908
2008-12-31 -5070
2009-03-31 -4080
2009-06-30 -2317
2009-09-30 -2556
2009-12-31 -2219
2010-03-31 -1549
2010-06-30 -679
2010-09-30 -962
2010-12-31 -932
2011-03-31 -603
2011-06-30 -856
2011-09-30 -556
2011-12-31 -317
2012-03-31 635
2012-06-30 614
2012-09-30 1112
2012-12-31 1194
2013-03-31 169
2013-06-30 316
2013-09-30 1970
2013-12-31 2556
2014-03-31 2936
2014-06-30 3947
2014-09-30 2893
2014-12-31 1871
2015-03-31 1388
2015-06-30 4230
2015-09-30 834
2015-12-31 0
2016-03-31 0
2016-06-30 0
2016-09-30 0
2016-12-31 0
2017-03-31 0
2017-06-30 0
2017-09-30 0
2017-12-31 0
2018-03-31 0
2018-06-30 0
2018-09-30 0
2018-12-31 0
2019-03-31 0
2019-06-30 0
2019-09-30 0
2019-12-31 0
2020-03-31 0
2020-06-30 0
2020-09-30 0
2020-12-31 0
2021-03-31 0
2021-06-30 0
2021-09-30 0
2021-12-31 0
2022-03-31 0
2022-06-30 0
2022-09-30 0
2022-12-31 0
2023-03-31 0
2023-06-30 0
2023-09-30 0
2023-12-31 0