Quarterly US dollars
1999-09-30 2141
1999-12-31 3942
2000-03-31 2979
2000-06-30 2630
2000-09-30 2774
2000-12-31 4798
2001-03-31 3958
2001-06-30 4142
2001-09-30 4206
2001-12-31 4137
2002-03-31 4408
2002-06-30 2295
2002-09-30 1787
2002-12-31 528
2003-03-31 0
2003-06-30 0
2003-09-30 447
2003-12-31 280
2004-03-31 0
2004-06-30 1237
2004-09-30 2131
2004-12-31 1966
2005-03-31 4576
2005-06-30 5491
2005-09-30 4552
2005-12-31 4683
2006-03-31 5627
2006-06-30 4352
2006-09-30 7442
2006-12-31 9270
2007-03-31 9029
2007-06-30 12298
2007-09-30 6009
2007-12-31 7218
2008-03-31 3022
2008-06-30 3125
2008-09-30 1850
2008-12-31 4429
2009-03-31 2302
2009-06-30 3060
2009-09-30 1528
2009-12-31 1147
2010-03-31 200
2010-06-30 1698
2010-09-30 400
2010-12-31 943
2011-03-31 783
2011-06-30 947
2011-09-30 1101
2011-12-31 939
2012-03-31 948
2012-06-30 0
2012-09-30 1585
2012-12-31 1632
2013-03-31 3510
2013-06-30 3962
2013-09-30 3769
2013-12-31 3414
2014-03-31 2069
2014-06-30 2873
2014-09-30 2406
2014-12-31 3120
2015-03-31 5454
2015-06-30 4452
2015-09-30 3441
2015-12-31 2976
2016-03-31 4670
2016-06-30 2544
2016-09-30 3293
2016-12-31 4119
2017-03-31 6838
2017-06-30 6953
2017-09-30 7488
2017-12-31 6112
2018-03-31 6485
2018-06-30 9999
2018-09-30 5865
2018-12-31 4672
2019-03-31 4145
2019-06-30 3525
2019-09-30 3922
2019-12-31 1824
2020-03-31 9986
2020-06-30 11836
2020-09-30 6642
2020-12-31 4984
2021-03-31 6381
2021-06-30 3295
2021-09-30 3976
2021-12-31 4093
2022-03-31 13317
2022-06-30 8975
2022-09-30 5843
2022-12-31 8465
2023-03-31 7785
2023-06-30 4955
2023-09-30 4840
2023-12-31 7872