Quarter	US dollars
2004-12-31	2
2005-03-31	2
2005-06-30	2
2005-09-30	2
2005-12-31	2
2006-03-31	2
2006-06-30	2
2006-09-30	6
2006-12-31	12
2007-03-31	14
2007-06-30	2
2007-09-30	2
2007-12-31	4
2008-03-31	4
2008-06-30	4
2008-09-30	2
2008-12-31	93
2009-03-31	116
2009-06-30	128
2009-09-30	130
2009-12-31	2
2010-03-31	5
2010-06-30	171
2010-09-30	44
2010-12-31	42
2011-03-31	75
2011-06-30	51
2011-09-30	12
2011-12-31	51
2012-03-31	2
2012-06-30	42
2012-09-30	42
2012-12-31	53
2013-03-31	53
2013-06-30	47
2013-09-30	52
2013-12-31	0
2014-03-31	0
2014-06-30	0
2014-09-30	0
2014-12-31	0
2015-03-31	0
2015-06-30	0
2015-09-30	0
2015-12-31	0
2016-03-31	0
2016-06-30	0
2016-09-30	0
2016-12-31	0
2017-03-31	0
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	1
2019-09-30	1
2019-12-31	3
2020-03-31	2
2020-06-30	1
2020-09-30	1
2020-12-31	0
2021-03-31	0
2021-06-30	0
2021-09-30	0
2021-12-31	26
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