Quarter	US dollars
2004-12-31	2
2005-03-31	25
2005-06-30	23
2005-09-30	25
2005-12-31	22
2006-03-31	23
2006-06-30	22
2006-09-30	26
2006-12-31	25
2007-03-31	25
2007-06-30	26
2007-09-30	24
2007-12-31	28
2008-03-31	26
2008-06-30	30
2008-09-30	30
2008-12-31	20
2009-03-31	21
2009-06-30	26
2009-09-30	24
2009-12-31	21
2010-03-31	5
2010-06-30	6
2010-09-30	2
2010-12-31	114
2011-03-31	34
2011-06-30	13
2011-09-30	2
2011-12-31	5
2012-03-31	8
2012-06-30	5
2012-09-30	10
2012-12-31	21
2013-03-31	14
2013-06-30	33
2013-09-30	2
2013-12-31	2
2014-03-31	5
2014-06-30	5
2014-09-30	11
2014-12-31	9
2015-03-31	9
2015-06-30	13
2015-09-30	64
2015-12-31	77
2016-03-31	56
2016-06-30	81
2016-09-30	117
2016-12-31	28
2017-03-31	269
2017-06-30	35
2017-09-30	36
2017-12-31	3
2018-03-31	338
2018-06-30	265
2018-09-30	23
2018-12-31	1
2019-03-31	149
2019-06-30	83
2019-09-30	47
2019-12-31	44
2020-03-31	36
2020-06-30	35
2020-09-30	37
2020-12-31	20
2021-03-31	19
2021-06-30	14
2021-09-30	12
2021-12-31	23
2022-03-31	3
2022-06-30	2
2022-09-30	1
2022-12-31	0
2023-03-31	22
2023-06-30	0
2023-09-30	1