Quarter	US dollars
2004-12-31	58
2005-03-31	60
2005-06-30	145
2005-09-30	35
2005-12-31	57
2006-03-31	71
2006-06-30	150
2006-09-30	273
2006-12-31	280
2007-03-31	167
2007-06-30	167
2007-09-30	159
2007-12-31	261
2008-03-31	258
2008-06-30	436
2008-09-30	365
2008-12-31	217
2009-03-31	152
2009-06-30	137
2009-09-30	134
2009-12-31	61
2010-03-31	49
2010-06-30	27
2010-09-30	27
2010-12-31	30
2011-03-31	32
2011-06-30	39
2011-09-30	139
2011-12-31	99
2012-03-31	93
2012-06-30	75
2012-09-30	81
2012-12-31	74
2013-03-31	65
2013-06-30	58
2013-09-30	13
2013-12-31	15
2014-03-31	13
2014-06-30	7
2014-09-30	6
2014-12-31	6
2015-03-31	6
2015-06-30	0
2015-09-30	0
2015-12-31	0
2016-03-31	0
2016-06-30	3
2016-09-30	0
2016-12-31	2
2017-03-31	0
2017-06-30	5
2017-09-30	5
2017-12-31	5
2018-03-31	0
2018-06-30	0
2018-09-30	0
2018-12-31	0
2019-03-31	3
2019-06-30	3
2019-09-30	2
2019-12-31	0
2020-03-31	0
2020-06-30	14
2020-09-30	3
2020-12-31	0
2021-03-31	3
2021-06-30	8
2021-09-30	8
2021-12-31	1
2022-03-31	5
2022-06-30	13
2022-09-30	15
2022-12-31	1
2023-03-31	0
2023-06-30	14
2023-09-30	4