Quarterly US dollars
1999-03-31 -2929
1999-06-30 -43
1999-09-30 18231
1999-12-31 23700
2000-03-31 27550
2000-06-30 -2797
2000-09-30 19587
2000-12-31 47646
2001-03-31 -16318
2001-06-30 -23802
2001-09-30 -3822
2001-12-31 20867
2002-03-31 8005
2002-06-30 11576
2002-09-30 15136
2002-12-31 13913
2003-03-31 24617
2003-06-30 21276
2003-09-30 -18768
2003-12-31 50631
2004-03-31 55423
2004-06-30 20193
2004-09-30 -7235
2004-12-31 -22341
2005-03-31 35615
2005-06-30 37379
2005-09-30 -23801
2005-12-31 2158
2006-03-31 92457
2006-06-30 76129
2006-09-30 -19758
2006-12-31 -25586
2007-03-31 170873
2007-06-30 -43520
2007-09-30 52629
2007-12-31 62248
2008-03-31 -16321
2008-06-30 -172704
2008-09-30 -32908
2008-12-31 -122991
2009-03-31 1775
2009-06-30 -27171
2009-09-30 37016
2009-12-31 -49486
2010-03-31 10025
2010-06-30 39484
2010-09-30 27691
2010-12-31 -44622
2011-03-31 -62356
2011-06-30 45897
2011-09-30 -13017
2011-12-31 48464
2012-03-31 23974
2012-06-30 -4064
2012-09-30 -15644
2012-12-31 -36776
2013-03-31 -20939
2013-06-30 -34672
2013-09-30 -17645
2013-12-31 7333
2014-03-31 -2825
2014-06-30 40367
2014-09-30 33121
2014-12-31 -12058
2015-03-31 -8227
2015-06-30 -64975
2015-09-30 -471
2015-12-31 -21564
2016-03-31 -25137
2016-06-30 27891
2016-09-30 7166
2016-12-31 -25753
2017-03-31 -26796
2017-06-30 9903
2017-09-30 25965
2017-12-31 -5154
2018-03-31 14613
2018-06-30 1140
2018-09-30 -28502
2018-12-31 26885
2019-03-31 18120
2019-06-30 -18485
2019-09-30 19165
2019-12-31 -13734
2020-03-31 44313
2020-06-30 -22411
2020-09-30 12118
2020-12-31 -20739
2021-03-31 50321
2021-06-30 -17274
2021-09-30 14576
2021-12-31 1524
2022-03-31 31144
2022-06-30 -7158
2022-09-30 5302
2022-12-31 -32225
2023-03-31 2816
2023-06-30 -15469
2023-09-30 6421