Quarter	US dollars
2004-12-31	0
2005-03-31	-2
2005-06-30	0
2005-09-30	0
2005-12-31	0
2006-03-31	0
2006-06-30	0
2006-09-30	0
2006-12-31	67
2007-03-31	65
2007-06-30	44
2007-09-30	35
2007-12-31	30
2008-03-31	30
2008-06-30	28
2008-09-30	32
2008-12-31	27
2009-03-31	29
2009-06-30	28
2009-09-30	30
2009-12-31	29
2010-03-31	30
2010-06-30	28
2010-09-30	28
2010-12-31	52
2011-03-31	51
2011-06-30	130
2011-09-30	122
2011-12-31	26
2012-03-31	78
2012-06-30	60
2012-09-30	103
2012-12-31	183
2013-03-31	138
2013-06-30	130
2013-09-30	157
2013-12-31	102
2014-03-31	103
2014-06-30	106
2014-09-30	101
2014-12-31	92
2015-03-31	88
2015-06-30	85
2015-09-30	124
2015-12-31	77
2016-03-31	78
2016-06-30	67
2016-09-30	69
2016-12-31	-1
2017-03-31	3
2017-06-30	3
2017-09-30	15
2017-12-31	30
2018-03-31	4
2018-06-30	-1
2018-09-30	7
2018-12-31	5
2019-03-31	26
2019-06-30	47
2019-09-30	37
2019-12-31	145
2020-03-31	130
2020-06-30	112
2020-09-30	0
2020-12-31	0
2021-03-31	0
2021-06-30	4
2021-09-30	3
2021-12-31	-3
2022-03-31	1
2022-06-30	-9
2022-09-30	-2
2022-12-31	-2
2023-03-31	0
2023-06-30	0
2023-09-30	0