Quarter	US dollars
2004-12-31	-60
2005-03-31	-81
2005-06-30	-88
2005-09-30	-46
2005-12-31	-108
2006-03-31	-109
2006-06-30	-104
2006-09-30	-116
2006-12-31	-25
2007-03-31	-1987
2007-06-30	-2030
2007-09-30	-2068
2007-12-31	-1993
2008-03-31	-1991
2008-06-30	-1992
2008-09-30	43
2008-12-31	-1382
2009-03-31	-1376
2009-06-30	-1652
2009-09-30	-1599
2009-12-31	-1620
2010-03-31	-1521
2010-06-30	-1501
2010-09-30	-1580
2010-12-31	20
2011-03-31	-5
2011-06-30	-1610
2011-09-30	-5
2011-12-31	-5
2012-03-31	-26
2012-06-30	-22
2012-09-30	-21
2012-12-31	-10
2013-03-31	-8
2013-06-30	-8
2013-09-30	-6
2013-12-31	-5
2014-03-31	-5
2014-06-30	-5
2014-09-30	39
2014-12-31	-5
2015-03-31	-4
2015-06-30	-5
2015-09-30	-5
2015-12-31	-4
2016-03-31	-4
2016-06-30	-5
2016-09-30	-5
2016-12-31	-4
2017-03-31	-4
2017-06-30	-5
2017-09-30	-5
2017-12-31	-5
2018-03-31	-4
2018-06-30	-5
2018-09-30	-5
2018-12-31	-5
2019-03-31	-5
2019-06-30	-5
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	0
2023-03-31	0
2023-06-30	0
2023-09-30	0