Quarter	US dollars
2004-12-31	374419
2005-03-31	396383
2005-06-30	379297
2005-09-30	401392
2005-12-31	434003
2006-03-31	429962
2006-06-30	462759
2006-09-30	443643
2006-12-31	479598
2007-03-31	511625
2007-06-30	536891
2007-09-30	535920
2007-12-31	490367
2008-03-31	486518
2008-06-30	487055
2008-09-30	456984
2008-12-31	393951
2009-03-31	368335
2009-06-30	366846
2009-09-30	345749
2009-12-31	351093
2010-03-31	256921
2010-06-30	277677
2010-09-30	292507
2010-12-31	308584
2011-03-31	309656
2011-06-30	312241
2011-09-30	310345
2011-12-31	306975
2012-03-31	293023
2012-06-30	271929
2012-09-30	314461
2012-12-31	363678
2013-03-31	355779
2013-06-30	361549
2013-09-30	380196
2013-12-31	368897
2014-03-31	394140
2014-06-30	397974
2014-09-30	390614
2014-12-31	397422
2015-03-31	461887
2015-06-30	472386
2015-09-30	410125
2015-12-31	434549
2016-03-31	428617
2016-06-30	399083
2016-09-30	418821
2016-12-31	407064
2017-03-31	418107
2017-06-30	433649
2017-09-30	447476
2017-12-31	536797
2018-03-31	556653
2018-06-30	554394
2018-09-30	592882
2018-12-31	631382
2019-03-31	670766
2019-06-30	678031
2019-09-30	689099
2019-12-31	658974
2020-03-31	631672
2020-06-30	661545
2020-09-30	692816
2020-12-31	693957
2021-03-31	712448
2021-06-30	711770
2021-09-30	702271
2021-12-31	675520
2022-03-31	695938
2022-06-30	722317
2022-09-30	688721
2022-12-31	704232
2023-03-31	717006
2023-06-30	735940
2023-09-30	742624