Quarter	US dollars
2004-12-31	36
2005-03-31	36
2005-06-30	30
2005-09-30	27
2005-12-31	19
2006-03-31	24
2006-06-30	24
2006-09-30	21
2006-12-31	12
2007-03-31	6
2007-06-30	10
2007-09-30	8
2007-12-31	12
2008-03-31	16
2008-06-30	12
2008-09-30	12
2008-12-31	10
2009-03-31	9
2009-06-30	5
2009-09-30	3
2009-12-31	5
2010-03-31	5
2010-06-30	4
2010-09-30	5
2010-12-31	5
2011-03-31	5
2011-06-30	6
2011-09-30	6
2011-12-31	80
2012-03-31	6
2012-06-30	5
2012-09-30	78
2012-12-31	42
2013-03-31	32
2013-06-30	26
2013-09-30	3
2013-12-31	2
2014-03-31	3
2014-06-30	2
2014-09-30	3
2014-12-31	9
2015-03-31	15
2015-06-30	11
2015-09-30	23
2015-12-31	86
2016-03-31	12
2016-06-30	27
2016-09-30	26
2016-12-31	69
2017-03-31	21
2017-06-30	75
2017-09-30	279
2017-12-31	139
2018-03-31	170
2018-06-30	79
2018-09-30	254
2018-12-31	89
2019-03-31	93
2019-06-30	76
2019-09-30	92
2019-12-31	79
2020-03-31	87
2020-06-30	44
2020-09-30	17
2020-12-31	12
2021-03-31	10
2021-06-30	6
2021-09-30	1
2021-12-31	20
2022-03-31	14
2022-06-30	7
2022-09-30	93
2022-12-31	84
2023-03-31	11
2023-06-30	13
2023-09-30	87