Quarter	US dollars
2004-12-31	-132
2005-03-31	-174
2005-06-30	-172
2005-09-30	-147
2005-12-31	-94
2006-03-31	-88
2006-06-30	-115
2006-09-30	-114
2006-12-31	-67
2007-03-31	12
2007-06-30	-56
2007-09-30	-47
2007-12-31	-175
2008-03-31	-205
2008-06-30	-147
2008-09-30	-57
2008-12-31	-256
2009-03-31	-279
2009-06-30	229
2009-09-30	241
2009-12-31	-86
2010-03-31	-26
2010-06-30	-105
2010-09-30	-161
2010-12-31	-27
2011-03-31	-14
2011-06-30	-21
2011-09-30	-16
2011-12-31	-119
2012-03-31	-113
2012-06-30	-96
2012-09-30	-150
2012-12-31	-202
2013-03-31	-234
2013-06-30	-202
2013-09-30	-104
2013-12-31	-107
2014-03-31	-155
2014-06-30	-84
2014-09-30	-45
2014-12-31	-22
2015-03-31	-34
2015-06-30	-31
2015-09-30	27
2015-12-31	0
2016-03-31	-39
2016-06-30	-23
2016-09-30	-8
2016-12-31	-5
2017-03-31	-3
2017-06-30	-181
2017-09-30	-191
2017-12-31	-115
2018-03-31	-69
2018-06-30	-147
2018-09-30	-160
2018-12-31	-147
2019-03-31	-65
2019-06-30	-141
2019-09-30	-179
2019-12-31	-92
2020-03-31	-99
2020-06-30	-70
2020-09-30	-70
2020-12-31	-70
2021-03-31	-48
2021-06-30	-19
2021-09-30	-1
2021-12-31	-220
2022-03-31	-171
2022-06-30	-162
2022-09-30	-201
2022-12-31	-183
2023-03-31	-176
2023-06-30	-178
2023-09-30	-158