Quarter	US dollars
2004-12-31	-90
2005-03-31	-72
2005-06-30	-48
2005-09-30	-81
2005-12-31	-21
2006-03-31	-14
2006-06-30	63
2006-09-30	62
2006-12-31	68
2007-03-31	78
2007-06-30	88
2007-09-30	65
2007-12-31	36
2008-03-31	18
2008-06-30	26
2008-09-30	255
2008-12-31	201
2009-03-31	183
2009-06-30	206
2009-09-30	194
2009-12-31	186
2010-03-31	184
2010-06-30	156
2010-09-30	2
2010-12-31	-6
2011-03-31	42
2011-06-30	-16
2011-09-30	11
2011-12-31	28
2012-03-31	-5
2012-06-30	-104
2012-09-30	-136
2012-12-31	-68
2013-03-31	-111
2013-06-30	-24
2013-09-30	-133
2013-12-31	-10
2014-03-31	-15
2014-06-30	-7
2014-09-30	-8
2014-12-31	3
2015-03-31	1
2015-06-30	102
2015-09-30	12
2015-12-31	3
2016-03-31	1
2016-06-30	1
2016-09-30	3
2016-12-31	2
2017-03-31	1
2017-06-30	-12
2017-09-30	-11
2017-12-31	-8
2018-03-31	-14
2018-06-30	-11
2018-09-30	-103
2018-12-31	-166
2019-03-31	-106
2019-06-30	-104
2019-09-30	-63
2019-12-31	-65
2020-03-31	-33
2020-06-30	-35
2020-09-30	-28
2020-12-31	-15
2021-03-31	4
2021-06-30	8
2021-09-30	19
2021-12-31	22
2022-03-31	-20
2022-06-30	34
2022-09-30	31
2022-12-31	79
2023-03-31	82
2023-06-30	57
2023-09-30	49