Quarter	US dollars
2004-12-31	27
2005-03-31	36
2005-06-30	30
2005-09-30	27
2005-12-31	24
2006-03-31	109
2006-06-30	24
2006-09-30	30
2006-12-31	37
2007-03-31	33
2007-06-30	24
2007-09-30	26
2007-12-31	32
2008-03-31	46
2008-06-30	44
2008-09-30	45
2008-12-31	49
2009-03-31	46
2009-06-30	31
2009-09-30	32
2009-12-31	34
2010-03-31	58
2010-06-30	49
2010-09-30	54
2010-12-31	99
2011-03-31	79
2011-06-30	157
2011-09-30	187
2011-12-31	288
2012-03-31	446
2012-06-30	177
2012-09-30	55
2012-12-31	50
2013-03-31	103
2013-06-30	109
2013-09-30	99
2013-12-31	179
2014-03-31	105
2014-06-30	113
2014-09-30	113
2014-12-31	83
2015-03-31	80
2015-06-30	104
2015-09-30	0
2015-12-31	0
2016-03-31	0
2016-06-30	0
2016-09-30	0
2016-12-31	0
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