Quarterly US dollars
1999-03-31 7299
1999-06-30 6560
1999-09-30 6174
1999-12-31 6147
2000-03-31 11233
2000-06-30 6820
2000-09-30 11655
2000-12-31 7486
2001-03-31 9675
2001-06-30 10520
2001-09-30 10655
2001-12-31 7944
2002-03-31 8082
2002-06-30 7784
2002-09-30 8960
2002-12-31 8226
2003-03-31 7047
2003-06-30 10767
2003-09-30 11031
2003-12-31 14995
2004-03-31 10162
2004-06-30 8911
2004-09-30 8371
2004-12-31 10693
2005-03-31 7949
2005-06-30 10974
2005-09-30 10153
2005-12-31 9546
2006-03-31 10632
2006-06-30 10346
2006-09-30 11448
2006-12-31 12575
2007-03-31 12363
2007-06-30 16170
2007-09-30 16162
2007-12-31 19807
2008-03-31 19244
2008-06-30 21356
2008-09-30 22248
2008-12-31 19486
2009-03-31 18992
2009-06-30 18502
2009-09-30 19474
2009-12-31 18245
2010-03-31 18413
2010-06-30 20557
2010-09-30 26954
2010-12-31 25695
2011-03-31 24287
2011-06-30 20636
2011-09-30 22367
2011-12-31 21104
2012-03-31 18707
2012-06-30 20312
2012-09-30 17244
2012-12-31 15152
2013-03-31 14686
2013-06-30 18714
2013-09-30 16028
2013-12-31 14859
2014-03-31 13434
2014-06-30 16980
2014-09-30 16612
2014-12-31 18371
2015-03-31 21398
2015-06-30 22242
2015-09-30 25508
2015-12-31 19160
2016-03-31 21929
2016-06-30 25511
2016-09-30 24229
2016-12-31 21055
2017-03-31 19177
2017-06-30 24102
2017-09-30 26735
2017-12-31 28141
2018-03-31 26442
2018-06-30 26857
2018-09-30 25428
2018-12-31 36867
2019-03-31 31880
2019-06-30 34905
2019-09-30 35050
2019-12-31 40168
2020-03-31 43519
2020-06-30 41524
2020-09-30 40170
2020-12-31 44956
2021-03-31 51379
2021-06-30 63145
2021-09-30 63635
2021-12-31 67244
2022-03-31 64067
2022-06-30 66687
2022-09-30 61865
2022-12-31 64005
2023-03-31 74526
2023-06-30 63417
2023-09-30 67706