Quarter	US dollars
2004-12-31	13
2005-03-31	15
2005-06-30	9
2005-09-30	4
2005-12-31	9
2006-03-31	9
2006-06-30	0
2006-09-30	0
2006-12-31	67
2007-03-31	106
2007-06-30	92
2007-09-30	373
2007-12-31	165
2008-03-31	60
2008-06-30	60
2008-09-30	48
2008-12-31	59
2009-03-31	52
2009-06-30	51
2009-09-30	45
2009-12-31	74
2010-03-31	50
2010-06-30	45
2010-09-30	39
2010-12-31	44
2011-03-31	45
2011-06-30	63
2011-09-30	67
2011-12-31	48
2012-03-31	48
2012-06-30	25
2012-09-30	24
2012-12-31	24
2013-03-31	11
2013-06-30	20
2013-09-30	40
2013-12-31	48
2014-03-31	45
2014-06-30	14
2014-09-30	16
2014-12-31	16
2015-03-31	21
2015-06-30	33
2015-09-30	35
2015-12-31	7
2016-03-31	30
2016-06-30	62
2016-09-30	36
2016-12-31	25
2017-03-31	31
2017-06-30	29
2017-09-30	24
2017-12-31	18
2018-03-31	10
2018-06-30	3
2018-09-30	0
2018-12-31	10
2019-03-31	9
2019-06-30	9
2019-09-30	0
2019-12-31	1
2020-03-31	0
2020-06-30	64
2020-09-30	63
2020-12-31	64
2021-03-31	48
2021-06-30	0
2021-09-30	0
2021-12-31	8
2022-03-31	7
2022-06-30	0
2022-09-30	0
2022-12-31	0
2023-03-31	1
2023-06-30	0
2023-09-30	0