Quarter	US dollars
2004-12-31	63
2005-03-31	60
2005-06-30	36
2005-09-30	12
2005-12-31	26
2006-03-31	17
2006-06-30	24
2006-09-30	37
2006-12-31	14
2007-03-31	24
2007-06-30	30
2007-09-30	37
2007-12-31	6
2008-03-31	2
2008-06-30	22
2008-09-30	14
2008-12-31	6
2009-03-31	4
2009-06-30	18
2009-09-30	6
2009-12-31	15
2010-03-31	-2
2010-06-30	-10
2010-09-30	-39
2010-12-31	-13
2011-03-31	-6
2011-06-30	-6
2011-09-30	0
2011-12-31	322
2012-03-31	184
2012-06-30	3
2012-09-30	543
2012-12-31	275
2013-03-31	246
2013-06-30	0
2013-09-30	2
2013-12-31	0
2014-03-31	0
2014-06-30	27
2014-09-30	21
2014-12-31	400
2015-03-31	-9
2015-06-30	-19
2015-09-30	-3
2015-12-31	-7
2016-03-31	9
2016-06-30	7
2016-09-30	-13
2016-12-31	6
2017-03-31	-8
2017-06-30	-13
2017-09-30	7
2017-12-31	16
2018-03-31	7
2018-06-30	-13
2018-09-30	3
2018-12-31	3
2019-03-31	-3
2019-06-30	24
2019-09-30	43
2019-12-31	5
2020-03-31	2
2020-06-30	0
2020-09-30	-6
2020-12-31	12
2021-03-31	8
2021-06-30	-17
2021-09-30	11
2021-12-31	-7
2022-03-31	8
2022-06-30	-12
2022-09-30	11
2022-12-31	-3
2023-03-31	2
2023-06-30	-8
2023-09-30	-1