Quarter	US dollars
2004-12-31	0
2005-03-31	0
2005-06-30	0
2005-09-30	0
2005-12-31	0
2006-03-31	0
2006-06-30	0
2006-09-30	0
2006-12-31	0
2007-03-31	0
2007-06-30	0
2007-09-30	-2
2007-12-31	-6
2008-03-31	0
2008-06-30	0
2008-09-30	0
2008-12-31	-4
2009-03-31	-9
2009-06-30	0
2009-09-30	59
2009-12-31	-2
2010-03-31	-3
2010-06-30	0
2010-09-30	0
2010-12-31	0
2011-03-31	0
2011-06-30	0
2011-09-30	0
2011-12-31	0
2012-03-31	0
2012-06-30	0
2012-09-30	0
2012-12-31	0
2013-03-31	0
2013-06-30	-3
2013-09-30	-6
2013-12-31	-5
2014-03-31	-3
2014-06-30	-2
2014-09-30	-3
2014-12-31	-3
2015-03-31	-1
2015-06-30	-149
2015-09-30	-151
2015-12-31	-22
2016-03-31	-173
2016-06-30	-172
2016-09-30	-100
2016-12-31	209
2017-03-31	-43
2017-06-30	-12
2017-09-30	-4
2017-12-31	-1
2018-03-31	0
2018-06-30	0
2018-09-30	-89
2018-12-31	-110
2019-03-31	-76
2019-06-30	-148
2019-09-30	-156
2019-12-31	-157
2020-03-31	-123
2020-06-30	-112
2020-09-30	-107
2020-12-31	-117
2021-03-31	-52
2021-06-30	-343
2021-09-30	-272
2021-12-31	-280
2022-03-31	-276
2022-06-30	-257
2022-09-30	-265
2022-12-31	-263
2023-03-31	-376
2023-06-30	-341
2023-09-30	-307