Quarter	US dollars
2004-12-31	56
2005-03-31	21
2005-06-30	16
2005-09-30	27
2005-12-31	27
2006-03-31	17
2006-06-30	13
2006-09-30	7
2006-12-31	16
2007-03-31	10
2007-06-30	16
2007-09-30	6
2007-12-31	6
2008-03-31	-46
2008-06-30	-44
2008-09-30	4
2008-12-31	1
2009-03-31	1
2009-06-30	-7
2009-09-30	2
2009-12-31	-5
2010-03-31	3
2010-06-30	3
2010-09-30	3
2010-12-31	52
2011-03-31	61
2011-06-30	51
2011-09-30	51
2011-12-31	5
2012-03-31	80
2012-06-30	83
2012-09-30	81
2012-12-31	87
2013-03-31	88
2013-06-30	197
2013-09-30	94
2013-12-31	89
2014-03-31	48
2014-06-30	2
2014-09-30	5
2014-12-31	12
2015-03-31	-1
2015-06-30	0
2015-09-30	11
2015-12-31	0
2016-03-31	1
2016-06-30	3
2016-09-30	5
2016-12-31	9
2017-03-31	11
2017-06-30	18
2017-09-30	17
2017-12-31	14
2018-03-31	24
2018-06-30	7
2018-09-30	7
2018-12-31	42
2019-03-31	94
2019-06-30	39
2019-09-30	0
2019-12-31	0
2020-03-31	14
2020-06-30	10
2020-09-30	12
2020-12-31	-3
2021-03-31	-4
2021-06-30	-21
2021-09-30	0
2021-12-31	-15
2022-03-31	-24
2022-06-30	52
2022-09-30	283
2022-12-31	244
2023-03-31	227
2023-06-30	228
2023-09-30	256