Quarter	US dollars
2004-12-31	132
2005-03-31	132
2005-06-30	143
2005-09-30	166
2005-12-31	167
2006-03-31	167
2006-06-30	170
2006-09-30	170
2006-12-31	145
2007-03-31	145
2007-06-30	80
2007-09-30	37
2007-12-31	-52
2008-03-31	-135
2008-06-30	-147
2008-09-30	-169
2008-12-31	-22
2009-03-31	-89
2009-06-30	-99
2009-09-30	-78
2009-12-31	-71
2010-03-31	-12
2010-06-30	31
2010-09-30	77
2010-12-31	114
2011-03-31	127
2011-06-30	161
2011-09-30	137
2011-12-31	-9
2012-03-31	-10
2012-06-30	-11
2012-09-30	305
2012-12-31	8
2013-03-31	6
2013-06-30	6
2013-09-30	6
2013-12-31	0
2014-03-31	0
2014-06-30	0
2014-09-30	0
2014-12-31	0
2015-03-31	0
2015-06-30	0
2015-09-30	0
2015-12-31	0
2016-03-31	0
2016-06-30	4
2016-09-30	5
2016-12-31	1
2017-03-31	1
2017-06-30	0
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	4
2020-12-31	5
2021-03-31	6
2021-06-30	7
2021-09-30	9
2021-12-31	11
2022-03-31	9
2022-06-30	7
2022-09-30	4
2022-12-31	0
2023-03-31	0
2023-06-30	0
2023-09-30	21