Quarter	US dollars
2004-12-31	159
2005-03-31	9
2005-06-30	22
2005-09-30	42
2005-12-31	64
2006-03-31	265
2006-06-30	54
2006-09-30	73
2006-12-31	479
2007-03-31	545
2007-06-30	562
2007-09-30	536
2007-12-31	52
2008-03-31	30
2008-06-30	42
2008-09-30	71
2008-12-31	183
2009-03-31	152
2009-06-30	82
2009-09-30	70
2009-12-31	37
2010-03-31	46
2010-06-30	114
2010-09-30	285
2010-12-31	321
2011-03-31	338
2011-06-30	803
2011-09-30	541
2011-12-31	336
2012-03-31	265
2012-06-30	246
2012-09-30	187
2012-12-31	105
2013-03-31	131
2013-06-30	211
2013-09-30	108
2013-12-31	111
2014-03-31	112
2014-06-30	79
2014-09-30	50
2014-12-31	153
2015-03-31	168
2015-06-30	151
2015-09-30	165
2015-12-31	27
2016-03-31	3
2016-06-30	52
2016-09-30	29
2016-12-31	1727
2017-03-31	1741
2017-06-30	927
2017-09-30	64
2017-12-31	1025
2018-03-31	1796
2018-06-30	1831
2018-09-30	2560
2018-12-31	1733
2019-03-31	949
2019-06-30	938
2019-09-30	1034
2019-12-31	964
2020-03-31	1855
2020-06-30	1874
2020-09-30	1150
2020-12-31	1076
2021-03-31	215
2021-06-30	239
2021-09-30	128
2021-12-31	43
2022-03-31	394
2022-06-30	394
2022-09-30	1200
2022-12-31	1212
2023-03-31	1398
2023-06-30	1384
2023-09-30	616