Quarter	US dollars
2004-12-31	29
2005-03-31	32
2005-06-30	9
2005-09-30	16
2005-12-31	26
2006-03-31	49
2006-06-30	67
2006-09-30	39
2006-12-31	47
2007-03-31	53
2007-06-30	40
2007-09-30	37
2007-12-31	32
2008-03-31	32
2008-06-30	38
2008-09-30	20
2008-12-31	19
2009-03-31	19
2009-06-30	3
2009-09-30	5
2009-12-31	3
2010-03-31	26
2010-06-30	12
2010-09-30	3
2010-12-31	2
2011-03-31	18
2011-06-30	11
2011-09-30	8
2011-12-31	6
2012-03-31	5
2012-06-30	5
2012-09-30	6
2012-12-31	24
2013-03-31	2
2013-06-30	2
2013-09-30	2
2013-12-31	2
2014-03-31	2
2014-06-30	17
2014-09-30	3
2014-12-31	3
2015-03-31	3
2015-06-30	9
2015-09-30	8
2015-12-31	4
2016-03-31	4
2016-06-30	1
2016-09-30	1
2016-12-31	1
2017-03-31	1
2017-06-30	16
2017-09-30	12
2017-12-31	7
2018-03-31	3
2018-06-30	11
2018-09-30	23
2018-12-31	32
2019-03-31	10
2019-06-30	11
2019-09-30	5
2019-12-31	5
2020-03-31	4
2020-06-30	59
2020-09-30	3
2020-12-31	4
2021-03-31	3
2021-06-30	4
2021-09-30	5
2021-12-31	3
2022-03-31	5
2022-06-30	7
2022-09-30	7
2022-12-31	7
2023-03-31	1
2023-06-30	2
2023-09-30	1