Quarter	US dollars
2004-12-31	19
2005-03-31	13
2005-06-30	7
2005-09-30	2
2005-12-31	0
2006-03-31	0
2006-06-30	0
2006-09-30	0
2006-12-31	2
2007-03-31	0
2007-06-30	2
2007-09-30	2
2007-12-31	2
2008-03-31	6
2008-12-31	10
2009-09-30	3
2010-06-30	34
2010-09-30	14
2010-12-31	3
2013-03-31	5
2013-06-30	5
2013-09-30	3
2013-12-31	7
2014-03-31	12
2014-06-30	10
2014-09-30	143
2014-12-31	139
2015-03-31	365
2015-06-30	362
2015-09-30	224
2015-12-31	210
2016-03-31	6
2016-06-30	9
2016-09-30	10
2016-12-31	11
2017-03-31	13
2017-06-30	14
2017-09-30	19
2017-12-31	8
2018-03-31	6
2018-06-30	12
2018-09-30	16
2018-12-31	5
2019-03-31	4
2019-06-30	13
2019-09-30	12
2019-12-31	-1
2020-03-31	1
2020-06-30	-1
2020-09-30	0
2020-12-31	3
2021-03-31	6
2021-06-30	4
2021-09-30	1
2021-12-31	3
2022-03-31	8
2022-06-30	9
2022-09-30	11
2022-12-31	9
2023-03-31	4
2023-06-30	1
2023-09-30	5