Quarter	US dollars
2004-12-31	48
2005-03-31	59
2005-06-30	50
2005-09-30	71
2005-12-31	70
2006-03-31	62
2006-06-30	54
2006-09-30	54
2006-12-31	68
2007-03-31	43
2007-06-30	42
2007-09-30	45
2007-12-31	90
2008-03-31	93
2008-06-30	107
2008-09-30	114
2008-12-31	108
2009-03-31	80
2009-06-30	79
2009-09-30	75
2009-12-31	61
2010-03-31	68
2010-06-30	70
2010-09-30	84
2010-12-31	70
2011-03-31	88
2011-06-30	90
2011-09-30	79
2011-12-31	46
2012-03-31	78
2012-06-30	89
2012-09-30	92
2012-12-31	74
2013-03-31	74
2013-06-30	64
2013-09-30	53
2013-12-31	43
2014-03-31	32
2014-06-30	39
2014-09-30	32
2014-12-31	30
2015-03-31	37
2015-06-30	42
2015-09-30	0
2015-12-31	0
2016-03-31	0
2016-06-30	0
2016-09-30	3
2016-12-31	2
2017-03-31	0
2017-06-30	0
2017-09-30	0
2017-12-31	0
2018-03-31	0
2018-06-30	0
2018-09-30	0
2018-12-31	0
2019-03-31	0
2019-06-30	0
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