Quarter	US dollars
2004-12-31	48
2005-03-31	83
2005-06-30	-41
2005-09-30	-347
2005-12-31	-137
2006-03-31	-215
2006-06-30	-226
2006-09-30	-250
2006-12-31	-875
2007-03-31	-873
2007-06-30	-789
2007-09-30	-1652
2007-12-31	-888
2008-03-31	-825
2008-06-30	-442
2008-09-30	-433
2008-12-31	-332
2009-03-31	-229
2009-06-30	-240
2009-09-30	-179
2009-12-31	-60
2010-03-31	-82
2010-06-30	-229
2010-09-30	-156
2010-12-31	-153
2011-03-31	-255
2011-06-30	-31
2011-09-30	-148
2011-12-31	-93
2012-03-31	221
2012-06-30	224
2012-09-30	99
2012-12-31	65
2013-03-31	30
2013-06-30	53
2013-09-30	45
2013-12-31	83
2014-03-31	117
2014-06-30	87
2014-09-30	15
2014-12-31	3
2015-03-31	18
2015-06-30	-17
2015-09-30	0
2015-12-31	0
2016-03-31	0
2016-06-30	0
2016-09-30	0
2016-12-31	0
2017-03-31	0
2017-06-30	0
2017-09-30	0
2017-12-31	0
2018-03-31	0
2018-06-30	-1
2018-09-30	-1
2018-12-31	0
2019-03-31	0
2019-06-30	0
2019-09-30	0
2019-12-31	0
2020-03-31	0
2020-06-30	0
2020-09-30	0
2020-12-31	0
2021-03-31	0
2021-06-30	1
2021-09-30	1
2021-12-31	0
2022-03-31	0
2022-06-30	0
2022-09-30	0
2022-12-31	0
2023-03-31	0
2023-06-30	1
2023-09-30	1