Quarter	US dollars
2004-12-31	0
2005-03-31	4
2005-06-30	4
2005-09-30	14
2005-12-31	5
2006-03-31	5
2006-06-30	4
2006-09-30	32
2006-12-31	2
2007-03-31	37
2007-06-30	36
2007-09-30	6
2007-12-31	4
2008-03-31	4
2008-06-30	111
2008-09-30	25
2008-12-31	35
2009-03-31	37
2009-06-30	104
2009-09-30	99
2009-12-31	147
2010-03-31	275
2010-06-30	184
2010-09-30	433
2010-12-31	409
2011-03-31	215
2011-06-30	220
2011-09-30	-106
2011-12-31	479
2012-03-31	264
2012-06-30	256
2012-09-30	454
2012-12-31	91
2013-03-31	88
2013-06-30	83
2013-09-30	3
2013-12-31	5
2014-03-31	5
2014-06-30	5
2014-09-30	5
2014-12-31	6
2015-03-31	7
2015-06-30	6
2015-09-30	6
2015-12-31	4
2016-03-31	4
2016-06-30	4
2016-09-30	4
2016-12-31	5
2017-03-31	5
2017-06-30	39
2017-09-30	25
2017-12-31	5
2018-03-31	6
2018-06-30	5
2018-09-30	4
2018-12-31	3
2019-03-31	5
2019-06-30	3
2019-09-30	2
2019-12-31	3
2020-03-31	17
2020-06-30	1
2020-09-30	9
2020-12-31	25
2021-03-31	10
2021-06-30	4
2021-09-30	11
2021-12-31	11
2022-03-31	11
2022-06-30	9
2022-09-30	9
2022-12-31	9
2023-03-31	1
2023-06-30	1
2023-09-30	2