Quarter	US dollars
2004-12-31	12
2005-03-31	8
2005-06-30	18
2005-09-30	12
2005-12-31	41
2006-03-31	43
2006-06-30	81
2006-09-30	75
2006-12-31	74
2007-03-31	104
2007-06-30	104
2007-09-30	116
2007-12-31	109
2008-03-31	85
2008-06-30	90
2008-09-30	84
2008-12-31	45
2009-03-31	54
2009-06-30	54
2009-09-30	38
2009-12-31	24
2010-03-31	38
2010-06-30	43
2010-09-30	28
2010-12-31	11
2011-03-31	14
2011-06-30	16
2011-09-30	9
2011-12-31	15
2012-03-31	5
2012-06-30	3
2012-09-30	40
2012-12-31	42
2013-03-31	0
2013-06-30	0
2013-09-30	0
2013-12-31	2
2014-03-31	0
2014-06-30	2
2014-09-30	0
2014-12-31	0
2015-03-31	4
2015-06-30	5
2015-09-30	6
2015-12-31	1
2016-03-31	7
2016-06-30	5
2016-09-30	0
2016-12-31	-4
2017-03-31	0
2017-06-30	5
2017-09-30	-1
2017-12-31	-1
2018-03-31	0
2018-06-30	1
2018-09-30	7
2018-12-31	0
2019-03-31	12
2019-06-30	-4
2019-09-30	-1
2019-12-31	-7
2020-03-31	2
2020-06-30	-7
2020-09-30	-1
2020-12-31	-11
2021-03-31	-6
2021-06-30	10
2021-09-30	5
2021-12-31	5
2022-03-31	5
2022-06-30	5
2022-09-30	5
2022-12-31	2
2023-03-31	-2
2023-06-30	-3
2023-09-30	8