Quarter	US dollars
2004-12-31	2
2005-03-31	17
2005-06-30	20
2005-09-30	27
2005-12-31	33
2006-03-31	28
2006-06-30	7
2006-09-30	24
2006-12-31	16
2007-03-31	29
2007-06-30	24
2007-09-30	55
2007-12-31	92
2008-03-31	30
2008-06-30	88
2008-09-30	93
2008-12-31	122
2009-03-31	40
2009-06-30	20
2009-09-30	26
2009-12-31	5
2010-03-31	24
2010-06-30	21
2010-09-30	28
2010-12-31	39
2011-03-31	34
2011-06-30	8
2011-09-30	22
2011-12-31	14
2012-03-31	8
2012-06-30	5
2012-09-30	23
2012-12-31	26
2013-03-31	36
2013-06-30	18
2013-09-30	15
2013-12-31	7
2014-03-31	33
2014-06-30	9
2014-09-30	28
2014-12-31	14
2015-03-31	13
2015-06-30	6
2015-09-30	14
2015-12-31	6
2016-03-31	26
2016-06-30	11
2016-09-30	13
2016-12-31	9
2017-03-31	5
2017-06-30	5
2017-09-30	5
2017-12-31	5
2018-03-31	8
2018-06-30	5
2018-09-30	12
2018-12-31	5
2019-03-31	5
2019-06-30	5
2019-09-30	4
2019-12-31	4
2020-03-31	4
2020-06-30	5
2020-09-30	37
2020-12-31	87
2021-03-31	7
2021-06-30	3
2021-09-30	13
2021-12-31	4
2022-03-31	13
2022-06-30	1
2022-09-30	2
2022-12-31	11
2023-03-31	19
2023-06-30	20
2023-09-30	6