Quarter	US dollars
2004-12-31	10
2005-03-31	13
2005-06-30	7
2005-09-30	2
2005-12-31	2
2006-03-31	2
2006-06-30	6
2006-09-30	7
2006-12-31	8
2007-03-31	31
2007-06-30	36
2007-09-30	31
2007-12-31	30
2008-03-31	36
2008-06-30	36
2008-09-30	36
2008-12-31	9
2009-03-31	7
2009-06-30	8
2009-09-30	6
2009-12-31	6
2010-03-31	11
2010-06-30	10
2010-09-30	11
2010-12-31	8
2011-03-31	11
2011-06-30	13
2011-09-30	26
2011-12-31	17
2012-03-31	22
2012-06-30	17
2012-09-30	16
2012-12-31	18
2013-03-31	12
2013-06-30	9
2013-09-30	10
2013-12-31	12
2014-03-31	17
2014-06-30	14
2014-09-30	10
2014-12-31	9
2015-03-31	9
2015-06-30	9
2015-09-30	11
2015-12-31	7
2016-03-31	7
2016-06-30	11
2016-09-30	10
2016-12-31	11
2017-03-31	11
2017-06-30	12
2017-09-30	15
2017-12-31	4
2018-03-31	1
2018-06-30	7
2018-09-30	3
2018-12-31	1
2019-03-31	1
2019-06-30	70
2019-09-30	0
2019-12-31	0
2020-03-31	0
2020-06-30	0
2020-09-30	0
2020-12-31	1
2021-03-31	1
2021-06-30	0
2021-09-30	0
2021-12-31	0
2022-03-31	0
2022-06-30	1
2022-09-30	0
2022-12-31	0
2023-03-31	0
2023-06-30	1
2023-09-30	0