Quarter	US dollars
2004-12-31	12
2005-03-31	6
2005-06-30	18
2005-09-30	14
2005-12-31	7
2006-03-31	26
2006-06-30	30
2006-09-30	22
2006-12-31	23
2007-03-31	24
2007-06-30	26
2007-09-30	26
2007-12-31	24
2008-03-31	22
2008-06-30	22
2008-09-30	1846
2008-12-31	85
2009-03-31	86
2009-06-30	28
2009-09-30	30
2009-12-31	26
2010-03-31	26
2010-06-30	338
2010-09-30	452
2010-12-31	429
2011-03-31	207
2011-06-30	422
2011-09-30	439
2011-12-31	2
2012-03-31	2
2012-06-30	2
2012-09-30	2
2012-12-31	2
2013-03-31	2
2013-06-30	0
2013-09-30	0
2013-12-31	0
2014-03-31	0
2014-06-30	0
2014-09-30	44
2014-12-31	0
2015-03-31	1
2015-06-30	2
2015-09-30	3
2015-12-31	3
2016-03-31	3
2016-06-30	9
2016-09-30	9
2016-12-31	10
2017-03-31	4
2017-06-30	6
2017-09-30	1
2017-12-31	0
2018-03-31	1
2018-06-30	3
2018-09-30	3
2018-12-31	3
2019-03-31	3
2019-06-30	6
2019-09-30	5
2019-12-31	12
2020-03-31	11
2020-06-30	11
2020-09-30	12
2020-12-31	11
2021-03-31	11
2021-06-30	14
2021-09-30	4
2021-12-31	4
2022-03-31	4
2022-06-30	4
2022-09-30	4
2022-12-31	4
2023-03-31	4
2023-06-30	4
2023-09-30	4