Quarterly US dollars
1999-03-31 2239
1999-06-30 1775
1999-09-30 1900
1999-12-31 1589
2000-03-31 1986
2000-06-30 2492
2000-09-30 2374
2000-12-31 1659
2001-03-31 2488
2001-06-30 3110
2001-09-30 3142
2001-12-31 2707
2002-03-31 3864
2002-06-30 3740
2002-09-30 3882
2002-12-31 3983
2003-03-31 6272
2003-06-30 4776
2003-09-30 4704
2003-12-31 6939
2004-03-31 8432
2004-06-30 5439
2004-09-30 6612
2004-12-31 10345
2005-03-31 6126
2005-06-30 9733
2005-09-30 8655
2005-12-31 6692
2006-03-31 11508
2006-06-30 8486
2006-09-30 8566
2006-12-31 7721
2007-03-31 10896
2007-06-30 6750
2007-09-30 7102
2007-12-31 9726
2008-03-31 8275
2008-06-30 8145
2008-09-30 6733
2008-12-31 6888
2009-03-31 6548
2009-06-30 7381
2009-09-30 8377
2009-12-31 7100
2010-03-31 7618
2010-06-30 6588
2010-09-30 9168
2010-12-31 7647
2011-03-31 8864
2011-06-30 8351
2011-09-30 9633
2011-12-31 8323
2012-03-31 6531
2012-06-30 6828
2012-09-30 8845
2012-12-31 7866
2013-03-31 9092
2013-06-30 9101
2013-09-30 9820
2013-12-31 8998
2014-03-31 7613
2014-06-30 10997
2014-09-30 11092
2014-12-31 9634
2015-03-31 8257
2015-06-30 8241
2015-09-30 9387
2015-12-31 9469
2016-03-31 8785
2016-06-30 8470
2016-09-30 9254
2016-12-31 9356
2017-03-31 9482
2017-06-30 8998
2017-09-30 10058
2017-12-31 11564
2018-03-31 8965
2018-06-30 9687
2018-09-30 9376
2018-12-31 9466
2019-03-31 10529
2019-06-30 11212
2019-09-30 9126
2019-12-31 9885
2020-03-31 11198
2020-06-30 8826
2020-09-30 8632
2020-12-31 6360
2021-03-31 5954
2021-06-30 4823
2021-09-30 4236
2021-12-31 5414
2022-03-31 4488
2022-06-30 4582
2022-09-30 4486
2022-12-31 5319
2023-03-31 3372
2023-06-30 3195
2023-09-30 3197