Quarter	US dollars
2004-12-31	-86
2005-03-31	-121
2005-06-30	-122
2005-09-30	-94
2005-12-31	-136
2006-03-31	-118
2006-06-30	-118
2006-09-30	-114
2006-12-31	-55
2007-03-31	-69
2007-06-30	-60
2007-09-30	-65
2007-12-31	-52
2008-03-31	-80
2008-06-30	-62
2008-09-30	-70
2008-12-31	-37
2009-03-31	-40
2009-06-30	-18
2009-09-30	-38
2009-12-31	-37
2010-03-31	-52
2010-06-30	-12
2010-09-30	-14
2010-12-31	-280
2011-03-31	-8
2011-06-30	-24
2011-09-30	-30
2011-12-31	-28
2012-03-31	-22
2012-06-30	-14
2012-09-30	61
2012-12-31	52
2013-03-31	29
2013-06-30	32
2013-09-30	-512
2013-12-31	-653
2014-03-31	20
2014-06-30	-5
2014-09-30	-62
2014-12-31	-70
2015-03-31	-92
2015-06-30	-220
2015-09-30	-261
2015-12-31	-234
2016-03-31	-85
2016-06-30	-40
2016-09-30	-64
2016-12-31	-69
2017-03-31	-110
2017-06-30	-161
2017-09-30	-115
2017-12-31	-138
2018-03-31	-215
2018-06-30	-160
2018-09-30	-141
2018-12-31	-96
2019-03-31	-108
2019-06-30	-135
2019-09-30	-128
2019-12-31	-73
2020-03-31	-131
2020-06-30	-70
2020-09-30	-12
2020-12-31	-8
2021-03-31	-4
2021-06-30	-1
2021-09-30	-8
2021-12-31	-1
2022-03-31	-1
2022-06-30	-38
2022-09-30	-200
2022-12-31	-161
2023-03-31	-64
2023-06-30	-64
2023-09-30	-68