Quarter	US dollars
2004-12-31	-175
2005-03-31	-168
2005-06-30	-228
2005-09-30	-90
2005-12-31	-64
2006-03-31	-47
2006-06-30	-85
2006-09-30	-69
2006-12-31	-80
2007-03-31	-386
2007-06-30	-130
2007-09-30	-440
2007-12-31	-127
2008-03-31	-602
2008-06-30	-56
2008-09-30	-30
2008-12-31	-49
2009-03-31	-69
2009-06-30	-59
2009-09-30	-21
2009-12-31	-6
2010-03-31	-15
2010-06-30	-33
2010-09-30	-2
2010-12-31	30
2011-03-31	-178
2011-06-30	-43
2011-09-30	-41
2011-12-31	-15
2012-03-31	-18
2012-06-30	100
2012-09-30	29
2012-12-31	-16
2013-03-31	27
2013-06-30	70
2013-09-30	26
2013-12-31	-8
2014-03-31	42
2014-06-30	15
2014-09-30	26
2014-12-31	-23
2015-03-31	-27
2015-06-30	-27
2015-09-30	-36
2015-12-31	-33
2016-03-31	-40
2016-06-30	-52
2016-09-30	-61
2016-12-31	-39
2017-03-31	-38
2017-06-30	-47
2017-09-30	-34
2017-12-31	-26
2018-03-31	-36
2018-06-30	-59
2018-09-30	-22
2018-12-31	-8
2019-03-31	-18
2019-06-30	-29
2019-09-30	-10
2019-12-31	-53
2020-03-31	-21
2020-06-30	15
2020-09-30	21
2020-12-31	10
2021-03-31	-7
2021-06-30	1
2021-09-30	9
2021-12-31	186
2022-03-31	5
2022-06-30	30
2022-09-30	21
2022-12-31	40
2023-03-31	27
2023-06-30	29
2023-09-30	6