Quarter	US dollars
2004-12-31	4
2005-03-31	4
2005-06-30	5
2005-09-30	12
2005-12-31	12
2006-03-31	40
2006-06-30	41
2006-09-30	41
2006-12-31	53
2007-03-31	100
2007-06-30	126
2007-09-30	110
2007-12-31	98
2008-03-31	85
2008-06-30	80
2008-09-30	0
2008-12-31	0
2009-03-31	0
2009-06-30	0
2009-09-30	98
2009-12-31	97
2010-03-31	52
2010-06-30	57
2010-09-30	69
2010-12-31	77
2011-03-31	112
2011-06-30	69
2011-09-30	55
2011-12-31	125
2012-03-31	126
2012-06-30	104
2012-09-30	74
2012-12-31	86
2013-03-31	71
2013-06-30	30
2013-09-30	32
2013-12-31	43
2014-03-31	42
2014-06-30	29
2014-09-30	31
2014-12-31	31
2015-03-31	31
2015-06-30	31
2015-09-30	9
2015-12-31	10
2016-03-31	10
2016-06-30	11
2016-09-30	12
2016-12-31	10
2017-03-31	14
2017-06-30	4
2017-09-30	4
2017-12-31	3
2018-03-31	0
2018-06-30	0
2018-09-30	1
2018-12-31	1
2019-03-31	12
2019-06-30	1
2019-09-30	0
2019-12-31	0
2020-03-31	0
2020-06-30	0
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	0
2023-06-30	0
2023-09-30	0