Quarterly US dollars
1999-03-31 3136
1999-06-30 13506
1999-09-30 5638
1999-12-31 18435
2000-03-31 17349
2000-06-30 9098
2000-09-30 7956
2000-12-31 8677
2001-03-31 49550
2001-06-30 -12851
2001-09-30 25652
2001-12-31 33167
2002-03-31 45394
2002-06-30 -3434
2002-09-30 34744
2002-12-31 31058
2003-03-31 36802
2003-06-30 19326
2003-09-30 8821
2003-12-31 -4859
2004-03-31 117568
2004-06-30 -23632
2004-09-30 101077
2004-12-31 -2996
2005-03-31 109049
2005-06-30 -30566
2005-09-30 129492
2005-12-31 -64723
2006-03-31 145274
2006-06-30 -40740
2006-09-30 96628
2006-12-31 -6550
2007-03-31 209386
2007-06-30 6421
2007-09-30 281350
2007-12-31 -280891
2008-03-31 240644
2008-06-30 -208117
2008-09-30 332147
2008-12-31 -415374
2009-03-31 -74884
2009-06-30 -24891
2009-09-30 -1769
2009-12-31 -3738
2010-03-31 91593
2010-06-30 -32979
2010-09-30 5596
2010-12-31 -311
2011-03-31 95533
2011-06-30 -56877
2011-09-30 64773
2011-12-31 -45123
2012-03-31 104723
2012-06-30 21296
2012-09-30 35038
2012-12-31 -27357
2013-03-31 -9299
2013-06-30 470
2013-09-30 -182864
2013-12-31 -83300
2014-03-31 -8475
2014-06-30 -32393
2014-09-30 14211
2014-12-31 -87905
2015-03-31 18139
2015-06-30 -75029
2015-09-30 -37466
2015-12-31 -46423
2016-03-31 31018
2016-06-30 21883
2016-09-30 -42038
2016-12-31 -45861
2017-03-31 57677
2017-06-30 -13433
2017-09-30 -3282
2017-12-31 75691
2018-03-31 28824
2018-06-30 -96041
2018-09-30 -13639
2018-12-31 -6124
2019-03-31 34702
2019-06-30 -6968
2019-09-30 48046
2019-12-31 -33103
2020-03-31 181549
2020-06-30 -147124
2020-09-30 40996
2020-12-31 83974
2021-03-31 -22194
2021-06-30 6622
2021-09-30 -2918
2021-12-31 54753
2022-03-31 63231
2022-06-30 53620
2022-09-30 -18329
2022-12-31 -47323
2023-03-31 69595
2023-06-30 91903
2023-09-30 9654