Quarter	US dollars
2004-12-31	77558
2005-03-31	86905
2005-06-30	221281
2005-09-30	278308
2005-12-31	272636
2006-03-31	329177
2006-06-30	401459
2006-09-30	463319
2006-12-31	499315
2007-03-31	549888
2007-06-30	619225
2007-09-30	704578
2007-12-31	749347
2008-03-31	814654
2008-06-30	774961
2008-09-30	689691
2008-12-31	570946
2009-03-31	560015
2009-06-30	510837
2009-09-30	423247
2009-12-31	398739
2010-03-31	388739
2010-06-30	406154
2010-09-30	523734
2010-12-31	797036
2011-03-31	784029
2011-06-30	808463
2011-09-30	920474
2011-12-31	870515
2012-03-31	816632
2012-06-30	800759
2012-09-30	806894
2012-12-31	925298
2013-03-31	2032825
2013-06-30	1976662
2013-09-30	1854236
2013-12-31	1647737
2014-03-31	1533869
2014-06-30	1405962
2014-09-30	1329129
2014-12-31	1138010
2015-03-31	1093988
2015-06-30	1044550
2015-09-30	1003204
2015-12-31	885472
2016-03-31	924875
2016-06-30	844535
2016-09-30	818781
2016-12-31	730284
2017-03-31	733149
2017-06-30	674059
2017-09-30	660121
2017-12-31	598897
2018-03-31	648475
2018-06-30	578313
2018-09-30	592726
2018-12-31	572838
2019-03-31	609937
2019-06-30	724933
2019-09-30	755021
2019-12-31	828200
2020-03-31	816132
2020-06-30	751163
2020-09-30	758604
2020-12-31	723336
2021-03-31	808396
2021-06-30	806509
2021-09-30	891191
2021-12-31	1010980
2022-03-31	1214338
2022-06-30	1136639
2022-09-30	1213731
2022-12-31	1169176
2023-03-31	1180965
2023-06-30	1085986
2023-09-30	1071695