Quarter	US dollars
2004-12-31	48
2005-03-31	51
2005-06-30	39
2005-09-30	34
2005-12-31	41
2006-03-31	47
2006-06-30	46
2006-09-30	45
2006-12-31	41
2007-03-31	59
2007-06-30	132
2007-09-30	104
2007-12-31	119
2008-03-31	125
2008-06-30	72
2008-09-30	36
2008-12-31	24
2009-03-31	20
2009-06-30	12
2009-09-30	16
2009-12-31	19
2010-03-31	14
2010-06-30	10
2010-09-30	44
2010-12-31	25
2011-03-31	43
2011-06-30	40
2011-09-30	30
2011-12-31	9
2012-03-31	2
2012-06-30	0
2012-09-30	5
2012-12-31	8
2013-03-31	11
2013-06-30	17
2013-09-30	13
2013-12-31	3
2014-03-31	2
2014-06-30	3
2014-09-30	-3
2014-12-31	3
2015-03-31	-1
2015-06-30	-19
2015-09-30	2
2015-12-31	-1
2016-03-31	7
2016-06-30	-9
2016-09-30	-17
2016-12-31	-10
2017-03-31	-11
2017-06-30	-19
2017-09-30	-30
2017-12-31	4
2018-03-31	-1
2018-06-30	4
2018-09-30	8
2018-12-31	13
2019-03-31	-4
2019-06-30	10
2019-09-30	7
2019-12-31	7
2020-03-31	-1
2020-06-30	9
2020-09-30	1
2020-12-31	18
2021-03-31	-7
2021-06-30	-12
2021-09-30	8
2021-12-31	-1
2022-03-31	14
2022-06-30	-17
2022-09-30	-2
2022-12-31	11
2023-03-31	56
2023-06-30	36
2023-09-30	29