Quarter	US dollars
2004-12-31	2
2005-03-31	4
2005-06-30	2
2005-09-30	4
2005-12-31	2
2006-03-31	2
2006-06-30	28
2006-09-30	2
2006-12-31	43
2007-03-31	2
2007-06-30	2
2007-09-30	6
2007-12-31	2
2008-03-31	14
2008-06-30	0
2008-09-30	-7
2008-12-31	10
2009-03-31	16
2009-06-30	69
2009-09-30	16
2009-12-31	11
2010-03-31	35
2010-06-30	76
2010-09-30	128
2010-12-31	28
2011-03-31	64
2011-06-30	21
2011-09-30	25
2011-12-31	22
2012-03-31	18
2012-06-30	17
2012-09-30	19
2012-12-31	0
2013-03-31	5
2013-06-30	6
2013-09-30	32
2013-12-31	3
2014-03-31	2
2014-06-30	3
2014-09-30	3
2014-12-31	2
2015-03-31	7
2015-06-30	11
2015-09-30	8
2015-12-31	1
2016-03-31	3
2016-06-30	4
2016-09-30	0
2016-12-31	0
2017-03-31	0
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	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