Quarter	US dollars
2004-12-31	669899
2005-03-31	701739
2005-06-30	730994
2005-09-30	759150
2005-12-31	719650
2006-03-31	827049
2006-06-30	822082
2006-09-30	905625
2006-12-31	904463
2007-03-31	994073
2007-06-30	954105
2007-09-30	1016840
2007-12-31	1003706
2008-03-31	1085749
2008-06-30	1003669
2008-09-30	1204291
2008-12-31	902517
2009-03-31	927962
2009-06-30	902807
2009-09-30	836224
2009-12-31	801625
2010-03-31	858413
2010-06-30	829909
2010-09-30	745823
2010-12-31	744195
2011-03-31	701362
2011-06-30	747203
2011-09-30	749791
2011-12-31	696787
2012-03-31	705633
2012-06-30	681447
2012-09-30	710734
2012-12-31	686781
2013-03-31	649152
2013-06-30	661841
2013-09-30	633281
2013-12-31	633389
2014-03-31	615979
2014-06-30	606118
2014-09-30	590045
2014-12-31	590099
2015-03-31	613336
2015-06-30	566582
2015-09-30	435955
2015-12-31	440483
2016-03-31	438788
2016-06-30	461984
2016-09-30	458263
2016-12-31	466671
2017-03-31	541571
2017-06-30	556310
2017-09-30	545387
2017-12-31	583448
2018-03-31	598214
2018-06-30	578351
2018-09-30	561146
2018-12-31	557266
2019-03-31	603237
2019-06-30	632006
2019-09-30	658010
2019-12-31	639499
2020-03-31	741450
2020-06-30	701840
2020-09-30	701174
2020-12-31	703611
2021-03-31	699362
2021-06-30	746373
2021-09-30	762900
2021-12-31	793828
2022-03-31	805826
2022-06-30	772822
2022-09-30	813528
2022-12-31	769917
2023-03-31	815010
2023-06-30	882753
2023-09-30	899676