Quarter	US dollars
2004-12-31	73
2005-03-31	93
2005-06-30	61
2005-09-30	16
2005-12-31	15
2006-03-31	16
2006-06-30	15
2006-09-30	15
2006-12-31	45
2007-03-31	45
2007-06-30	44
2007-09-30	45
2007-12-31	12
2008-12-31	1
2009-09-30	3
2010-06-30	12
2010-09-30	8
2010-12-31	28
2011-03-31	5
2011-06-30	27
2012-12-31	34
2013-03-31	26
2013-06-30	26
2013-12-31	28
2014-03-31	30
2014-06-30	32
2014-09-30	24
2014-12-31	27
2015-03-31	25
2015-06-30	2
2015-09-30	2
2015-12-31	1
2016-03-31	0
2016-06-30	0
2016-09-30	0
2016-12-31	0
2017-03-31	11
2017-06-30	0
2017-09-30	0
2017-12-31	0
2018-03-31	0
2018-06-30	0
2018-09-30	0
2018-12-31	0
2019-03-31	0
2019-06-30	0
2019-09-30	0
2019-12-31	0
2020-03-31	0
2020-06-30	0
2020-09-30	0
2020-12-31	0
2021-03-31	0
2021-06-30	0
2021-09-30	0
2021-12-31	0
2022-03-31	0
2022-06-30	0
2022-09-30	0
2022-12-31	0
2023-03-31	0
2023-06-30	0
2023-09-30	0