Quarter	US dollars
2004-12-31	71
2005-03-31	83
2005-06-30	75
2005-09-30	74
2005-12-31	86
2006-03-31	88
2006-06-30	94
2006-09-30	92
2006-12-31	104
2007-03-31	104
2007-06-30	104
2007-09-30	104
2007-12-31	139
2008-03-31	147
2008-06-30	82
2008-09-30	78
2008-12-31	73
2009-03-31	72
2009-06-30	69
2009-09-30	61
2009-12-31	60
2010-03-31	59
2010-06-30	136
2010-09-30	145
2010-12-31	80
2011-03-31	120
2011-06-30	85
2011-09-30	78
2011-12-31	77
2012-03-31	59
2012-06-30	58
2012-09-30	39
2012-12-31	42
2013-03-31	38
2013-06-30	27
2013-09-30	39
2013-12-31	36
2014-03-31	32
2014-06-30	39
2014-09-30	26
2014-12-31	23
2015-03-31	19
2015-06-30	19
2015-09-30	17
2015-12-31	16
2016-03-31	1
2016-06-30	1
2016-09-30	1
2016-12-31	2
2017-03-31	3
2017-06-30	3
2017-09-30	3
2017-12-31	3
2018-03-31	3
2018-06-30	4
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	1
2021-03-31	1
2021-06-30	1
2021-09-30	1
2021-12-31	1
2022-03-31	1
2022-06-30	1
2022-09-30	1
2022-12-31	1
2023-03-31	1
2023-06-30	1
2023-09-30	1