Quarter	US dollars
2004-12-31	131840
2005-03-31	158684
2005-06-30	159950
2005-09-30	184875
2005-12-31	182689
2006-03-31	193849
2006-06-30	228131
2006-09-30	230702
2006-12-31	219887
2007-03-31	249928
2007-06-30	182476
2007-09-30	234645
2007-12-31	227198
2008-03-31	235318
2008-06-30	245716
2008-09-30	285528
2008-12-31	299580
2009-03-31	349441
2009-06-30	360463
2009-09-30	412699
2009-12-31	431570
2010-03-31	508239
2010-06-30	563891
2010-09-30	588427
2010-12-31	536206
2011-03-31	595143
2011-06-30	567751
2011-09-30	668176
2011-12-31	721800
2012-03-31	813132
2012-06-30	795898
2012-09-30	750940
2012-12-31	762997
2013-03-31	610726
2013-06-30	636013
2013-09-30	612305
2013-12-31	558668
2014-03-31	575434
2014-06-30	508431
2014-09-30	513105
2014-12-31	561350
2015-03-31	542965
2015-06-30	562304
2015-09-30	590798
2015-12-31	567754
2016-03-31	583052
2016-06-30	623153
2016-09-30	590597
2016-12-31	539761
2017-03-31	547760
2017-06-30	610184
2017-09-30	673353
2017-12-31	656132
2018-03-31	692322
2018-06-30	674803
2018-09-30	682472
2018-12-31	658385
2019-03-31	667897
2019-06-30	684022
2019-09-30	656251
2019-12-31	671686
2020-03-31	718787
2020-06-30	777673
2020-09-30	795075
2020-12-31	825724
2021-03-31	863558
2021-06-30	841888
2021-09-30	823573
2021-12-31	813057
2022-03-31	817061
2022-06-30	801850
2022-09-30	714747
2022-12-31	784424
2023-03-31	820829
2023-06-30	886492
2023-09-30	893431