Quarter	US dollars
2004-12-31	8
2005-03-31	0
2005-06-30	0
2005-09-30	0
2005-12-31	2
2006-03-31	7
2006-06-30	0
2006-09-30	0
2006-12-31	0
2007-03-31	0
2007-06-30	0
2007-09-30	0
2007-12-31	0
2008-03-31	0
2008-06-30	0
2008-09-30	0
2008-12-31	0
2009-03-31	0
2009-06-30	0
2009-09-30	0
2009-12-31	3
2010-03-31	3
2010-06-30	3
2010-09-30	3
2010-12-31	3
2011-03-31	3
2011-06-30	3
2011-09-30	0
2011-12-31	19
2012-03-31	6
2012-06-30	24
2012-09-30	187
2012-12-31	165
2013-03-31	137
2013-06-30	268
2013-09-30	1206
2013-12-31	218
2014-03-31	242
2014-06-30	135
2014-09-30	8
2014-12-31	59
2015-03-31	9
2015-06-30	71
2015-09-30	62
2015-12-31	53
2016-03-31	3
2016-06-30	1
2016-09-30	1
2016-12-31	1
2017-03-31	1
2017-06-30	0
2017-09-30	0
2017-12-31	0
2018-03-31	31
2018-06-30	30
2018-09-30	29
2018-12-31	34
2019-03-31	59
2019-06-30	174
2019-09-30	145
2019-12-31	161
2020-03-31	135
2020-06-30	74
2020-09-30	58
2020-12-31	40
2021-03-31	39
2021-06-30	41
2021-09-30	57
2021-12-31	57
2022-03-31	53
2022-06-30	13
2022-09-30	56
2022-12-31	67
2023-03-31	87
2023-06-30	67
2023-09-30	9