Quarter	US dollars
2004-12-31	42
2005-03-31	132
2005-06-30	41
2005-09-30	46
2005-12-31	228
2006-03-31	101
2006-06-30	485
2006-09-30	943
2006-12-31	368
2007-03-31	918
2007-06-30	660
2007-09-30	2149
2007-12-31	1631
2008-03-31	1986
2008-06-30	58
2008-09-30	2094
2008-12-31	59
2009-03-31	6
2009-06-30	5
2009-09-30	200
2009-12-31	326
2010-03-31	1841
2010-06-30	1047
2010-09-30	1293
2010-12-31	1497
2011-03-31	1722
2011-06-30	1771
2011-09-30	1788
2011-12-31	2143
2012-03-31	3498
2012-06-30	1965
2012-09-30	1778
2012-12-31	2021
2013-03-31	1627
2013-06-30	1385
2013-09-30	1710
2013-12-31	2691
2014-03-31	1676
2014-06-30	2819
2014-09-30	3006
2014-12-31	3328
2015-03-31	2854
2015-06-30	4252
2015-09-30	4335
2015-12-31	2235
2016-03-31	3425
2016-06-30	2099
2016-09-30	2833
2016-12-31	2809
2017-03-31	3988
2017-06-30	4215
2017-09-30	4069
2017-12-31	4334
2018-03-31	3797
2018-06-30	3325
2018-09-30	2882
2018-12-31	2263
2019-03-31	2078
2019-06-30	2143
2019-09-30	2045
2019-12-31	4078
2020-03-31	1682
2020-06-30	1809
2020-09-30	1946
2020-12-31	2855
2021-03-31	1501
2021-06-30	1528
2021-09-30	1185
2021-12-31	4756
2022-03-31	7735
2022-06-30	9294
2022-09-30	11801
2022-12-31	6423
2023-03-31	4290
2023-06-30	4981
2023-09-30	4401