Quarter	US dollars
2004-12-31	0
2005-03-31	0
2005-06-30	0
2005-09-30	0
2005-12-31	0
2006-03-31	0
2006-06-30	0
2006-09-30	0
2006-12-31	2
2007-03-31	12
2007-06-30	6
2007-09-30	0
2007-12-31	2
2008-03-31	4
2008-06-30	0
2008-09-30	2
2008-12-31	3
2009-03-31	0
2009-06-30	0
2009-09-30	0
2009-12-31	0
2010-03-31	3
2010-06-30	1
2010-09-30	2
2010-12-31	3
2011-03-31	5
2011-06-30	26
2011-09-30	25
2011-12-31	17
2012-03-31	5
2012-06-30	13
2012-09-30	10
2012-12-31	5
2013-03-31	11
2013-06-30	21
2013-09-30	21
2013-12-31	15
2014-03-31	7
2014-06-30	3
2014-09-30	11
2014-12-31	9
2015-03-31	7
2015-06-30	17
2015-09-30	6
2015-12-31	10
2016-03-31	6
2016-06-30	8
2016-09-30	21
2016-12-31	12
2017-03-31	11
2017-06-30	17
2017-09-30	9
2017-12-31	4
2018-03-31	11
2018-06-30	7
2018-09-30	5
2018-12-31	0
2019-03-31	0
2019-06-30	1
2019-09-30	5
2019-12-31	11
2020-03-31	9
2020-06-30	5
2020-09-30	9
2020-12-31	5
2021-03-31	17
2021-06-30	10
2021-09-30	11
2021-12-31	26
2022-03-31	28
2022-06-30	39
2022-09-30	80
2022-12-31	71
2023-03-31	82
2023-06-30	57
2023-09-30	63