Quarter	US dollars
2004-12-31	19
2005-03-31	19
2005-06-30	18
2005-09-30	0
2005-12-31	0
2006-03-31	0
2006-06-30	159
2006-09-30	207
2006-12-31	231
2007-03-31	241
2007-06-30	90
2007-09-30	35
2007-12-31	42
2008-03-31	54
2008-06-30	48
2008-09-30	150
2008-12-31	190
2009-03-31	191
2009-06-30	781
2009-09-30	174
2009-12-31	187
2010-03-31	173
2010-06-30	165
2010-09-30	164
2010-12-31	105
2011-03-31	87
2011-06-30	128
2011-09-30	25
2011-12-31	97
2012-03-31	26
2012-06-30	22
2012-09-30	16
2012-12-31	121
2013-03-31	147
2013-06-30	121
2013-09-30	212
2013-12-31	117
2014-03-31	3
2014-06-30	19
2014-09-30	18
2014-12-31	17
2015-03-31	18
2015-06-30	2
2015-09-30	0
2015-12-31	0
2016-03-31	0
2016-06-30	0
2016-09-30	0
2016-12-31	4
2017-03-31	4
2017-06-30	17
2017-09-30	4
2017-12-31	0
2018-03-31	25
2018-06-30	22
2018-09-30	22
2018-12-31	24
2019-03-31	25
2019-06-30	28
2019-09-30	69
2019-12-31	61
2020-03-31	62
2020-06-30	59
2020-09-30	32
2020-12-31	35
2021-03-31	34
2021-06-30	29
2021-09-30	15
2021-12-31	4
2022-03-31	4
2022-06-30	4
2022-09-30	1
2022-12-31	1
2023-03-31	19
2023-06-30	38
2023-09-30	46