Quarter	US dollars
2004-12-31	2
2005-03-31	25
2005-06-30	23
2005-09-30	23
2005-12-31	21
2006-03-31	23
2006-06-30	22
2006-09-30	24
2006-12-31	23
2007-03-31	24
2007-06-30	26
2007-09-30	24
2007-12-31	26
2008-03-31	26
2008-06-30	28
2008-09-30	23
2008-12-31	17
2009-03-31	20
2009-06-30	25
2009-09-30	22
2009-12-31	19
2010-03-31	2
2010-06-30	52
2010-09-30	57
2010-12-31	114
2011-03-31	38
2011-06-30	13
2011-09-30	6
2011-12-31	12
2012-03-31	13
2012-06-30	9
2012-09-30	15
2012-12-31	19
2013-03-31	11
2013-06-30	24
2013-09-30	0
2013-12-31	0
2014-03-31	3
2014-06-30	5
2014-09-30	13
2014-12-31	6
2015-03-31	3
2015-06-30	3
2015-09-30	32
2015-12-31	3
2016-03-31	0
2016-06-30	3
2016-09-30	62
2016-12-31	26
2017-03-31	126
2017-06-30	3
2017-09-30	5
2017-12-31	0
2018-03-31	101
2018-06-30	0
2018-09-30	34
2018-12-31	19
2019-03-31	23
2019-06-30	24
2019-09-30	23
2019-12-31	3
2020-03-31	6
2020-06-30	2
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	12
2023-06-30	0
2023-09-30	0