Quarter	US dollars
2004-12-31	13
2005-03-31	11
2005-06-30	9
2005-09-30	11
2005-12-31	-827
2006-03-31	-1053
2006-06-30	-1026
2006-09-30	-1552
2006-12-31	-1605
2007-03-31	-1614
2007-06-30	-1970
2007-09-30	-2039
2007-12-31	-2019
2008-03-31	-44
2008-06-30	-38
2008-09-30	-46
2008-12-31	-42
2009-03-31	-29
2009-06-30	-46
2009-09-30	-22
2009-12-31	-42
2010-03-31	-14
2010-06-30	-85
2010-09-30	77
2010-12-31	-164
2011-03-31	-175
2011-06-30	-169
2011-09-30	-285
2011-12-31	-133
2012-03-31	-131
2012-06-30	-129
2012-09-30	-124
2012-12-31	-92
2013-03-31	-91
2013-06-30	-85
2013-09-30	-89
2013-12-31	-79
2014-03-31	-82
2014-06-30	-70
2014-09-30	-63
2014-12-31	6
2015-03-31	4
2015-06-30	6
2015-09-30	9
2015-12-31	9
2016-03-31	9
2016-06-30	8
2016-09-30	10
2016-12-31	12
2017-03-31	9
2017-06-30	8
2017-09-30	5
2017-12-31	7
2018-03-31	7
2018-06-30	7
2018-09-30	7
2018-12-31	8
2019-03-31	8
2019-06-30	6
2019-09-30	28
2019-12-31	3
2020-03-31	2
2020-06-30	25
2020-09-30	23
2020-12-31	22
2021-03-31	43
2021-06-30	39
2021-09-30	35
2021-12-31	30
2022-03-31	3
2022-06-30	2
2022-09-30	3
2022-12-31	28
2023-03-31	2
2023-06-30	4
2023-09-30	5