Quarter	US dollars
2004-12-31	346
2005-03-31	399
2005-06-30	292
2005-09-30	375
2005-12-31	632
2006-03-31	583
2006-06-30	433
2006-09-30	433
2006-12-31	796
2007-03-31	337
2007-06-30	303
2007-09-30	312
2007-12-31	396
2008-03-31	884
2008-06-30	555
2008-09-30	497
2008-12-31	542
2009-03-31	612
2009-06-30	517
2009-09-30	432
2009-12-31	504
2010-03-31	411
2010-06-30	395
2010-09-30	463
2010-12-31	689
2011-03-31	640
2011-06-30	565
2011-09-30	662
2011-12-31	708
2012-03-31	751
2012-06-30	718
2012-09-30	510
2012-12-31	598
2013-03-31	673
2013-06-30	528
2013-09-30	546
2013-12-31	605
2014-03-31	844
2014-06-30	986
2014-09-30	851
2014-12-31	824
2015-03-31	1044
2015-06-30	988
2015-09-30	768
2015-12-31	391
2016-03-31	489
2016-06-30	709
2016-09-30	490
2016-12-31	420
2017-03-31	218
2017-06-30	536
2017-09-30	549
2017-12-31	623
2018-03-31	696
2018-06-30	698
2018-09-30	537
2018-12-31	841
2019-03-31	503
2019-06-30	822
2019-09-30	866
2019-12-31	831
2020-03-31	825
2020-06-30	530
2020-09-30	805
2020-12-31	605
2021-03-31	619
2021-06-30	549
2021-09-30	655
2021-12-31	590
2022-03-31	919
2022-06-30	720
2022-09-30	973
2022-12-31	614
2023-03-31	1086
2023-06-30	956
2023-09-30	525