Quarter	US dollars
2004-12-31	0
2005-03-31	-11
2005-06-30	0
2005-09-30	50
2005-12-31	158
2006-03-31	182
2006-06-30	41
2006-09-30	179
2006-12-31	65
2007-03-31	16
2007-06-30	42
2007-09-30	10
2007-12-31	30
2008-03-31	292
2008-06-30	14
2008-09-30	20
2008-12-31	23
2009-03-31	-14
2009-06-30	-92
2009-09-30	3
2009-12-31	-18
2010-03-31	-52
2010-06-30	-37
2010-09-30	-36
2010-12-31	-34
2011-03-31	-32
2011-06-30	-58
2011-09-30	-73
2011-12-31	-63
2012-03-31	-82
2012-06-30	-56
2012-09-30	-53
2012-12-31	11
2013-03-31	52
2013-06-30	27
2013-09-30	13
2013-12-31	-26
2014-03-31	-38
2014-06-30	-41
2014-09-30	-19
2014-12-31	-78
2015-03-31	-82
2015-06-30	-38
2015-09-30	14
2015-12-31	-50
2016-03-31	96
2016-06-30	-68
2016-09-30	52
2016-12-31	36
2017-03-31	40
2017-06-30	5
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	1
2023-03-31	1
2023-06-30	1
2023-09-30	1
