Quarterly US dollars
1999-03-31 3983
1999-06-30 4472
1999-09-30 4719
1999-12-31 4609
2000-03-31 4660
2000-06-30 4779
2000-09-30 3962
2000-12-31 3710
2001-03-31 3548
2001-06-30 5101
2001-09-30 4180
2001-12-31 3937
2002-03-31 5449
2002-06-30 6773
2002-09-30 5787
2002-12-31 6922
2003-03-31 5862
2003-06-30 5641
2003-09-30 6841
2003-12-31 7553
2004-03-31 7313
2004-06-30 7719
2004-09-30 8383
2004-12-31 8515
2005-03-31 9730
2005-06-30 10678
2005-09-30 11111
2005-12-31 10813
2006-03-31 11489
2006-06-30 13032
2006-09-30 13876
2006-12-31 15356
2007-03-31 16405
2007-06-30 18907
2007-09-30 22525
2007-12-31 20809
2008-03-31 23155
2008-06-30 19253
2008-09-30 17991
2008-12-31 12624
2009-03-31 13806
2009-06-30 14846
2009-09-30 19504
2009-12-31 18736
2010-03-31 20623
2010-06-30 15625
2010-09-30 15718
2010-12-31 12810
2011-03-31 13430
2011-06-30 17363
2011-09-30 17290
2011-12-31 16531
2012-03-31 15065
2012-06-30 14622
2012-09-30 16094
2012-12-31 15806
2013-03-31 16885
2013-06-30 21999
2013-09-30 20463
2013-12-31 21094
2014-03-31 16489
2014-06-30 18926
2014-09-30 18165
2014-12-31 15940
2015-03-31 17033
2015-06-30 17921
2015-09-30 19742
2015-12-31 18942
2016-03-31 20661
2016-06-30 20837
2016-09-30 22201
2016-12-31 17304
2017-03-31 18008
2017-06-30 19905
2017-09-30 18879
2017-12-31 20232
2018-03-31 21942
2018-06-30 24254
2018-09-30 21196
2018-12-31 19560
2019-03-31 24420
2019-06-30 21253
2019-09-30 19965
2019-12-31 22409
2020-03-31 25426
2020-06-30 23146
2020-09-30 29377
2020-12-31 33542
2021-03-31 32395
2021-06-30 31945
2021-09-30 27035
2021-12-31 28300
2022-03-31 31220
2022-06-30 31471
2022-09-30 26820
2022-12-31 26560
2023-03-31 26224
2023-06-30 26309
2023-09-30 24259