Quarter	US dollars
2004-12-31	8
2005-03-31	21
2005-06-30	16
2005-09-30	16
2005-12-31	10
2006-03-31	5
2006-06-30	6
2006-09-30	6
2006-12-31	2
2007-03-31	0
2007-06-30	2
2007-09-30	4
2007-12-31	14
2008-03-31	8
2008-06-30	50
2008-09-30	25
2008-12-31	14
2009-03-31	7
2009-06-30	3
2009-09-30	6
2009-12-31	53
2010-03-31	103
2010-06-30	99
2010-09-30	106
2010-12-31	103
2011-03-31	103
2011-06-30	114
2011-09-30	55
2011-12-31	0
2012-03-31	10
2012-06-30	8
2012-09-30	10
2012-12-31	18
2013-03-31	24
2013-06-30	9
2013-09-30	11
2013-12-31	17
2014-03-31	18
2014-06-30	19
2014-09-30	15
2014-12-31	17
2015-03-31	3
2015-06-30	151
2015-09-30	2
2015-12-31	1
2016-03-31	36
2016-06-30	-8
2016-09-30	-1
2016-12-31	16
2017-03-31	0
2017-06-30	19
2017-09-30	47
2017-12-31	41
2018-03-31	22
2018-06-30	26
2018-09-30	26
2018-12-31	23
2019-03-31	50
2019-06-30	107
2019-09-30	7
2019-12-31	22
2020-03-31	0
2020-06-30	0
2020-09-30	0
2020-12-31	0
2021-03-31	0
2021-06-30	1
2021-09-30	1
2021-12-31	7
2022-03-31	7
2022-06-30	4
2022-09-30	5
2022-12-31	5
2023-03-31	36
2023-06-30	60
2023-09-30	14