Quarter	US dollars
2004-12-31	-267
2005-03-31	-293
2005-06-30	-226
2005-09-30	-170
2005-12-31	-2
2006-03-31	-2
2006-06-30	-4
2006-09-30	-4
2006-12-31	-4
2007-03-31	-4
2007-06-30	-2
2007-09-30	-6
2007-12-31	-8
2008-03-31	-12
2008-06-30	-14
2008-09-30	-18
2008-12-31	-14
2009-03-31	-24
2009-06-30	-15
2009-09-30	-18
2009-12-31	-21
2010-03-31	-20
2010-06-30	-19
2010-09-30	-2
2010-12-31	8
2011-03-31	43
2011-06-30	40
2011-09-30	9
2011-12-31	-5
2012-03-31	-6
2012-06-30	-2
2012-09-30	181
2012-12-31	39
2013-03-31	-43
2013-06-30	-49
2013-09-30	-60
2013-12-31	-106
2014-03-31	-115
2014-06-30	-115
2014-09-30	-112
2014-12-31	-111
2015-03-31	-151
2015-06-30	-143
2015-09-30	-106
2015-12-31	-98
2016-03-31	-73
2016-06-30	-73
2016-09-30	-64
2016-12-31	-68
2017-03-31	-24
2017-06-30	-58
2017-09-30	-75
2017-12-31	-15
2018-03-31	-52
2018-06-30	-45
2018-09-30	-39
2018-12-31	-33
2019-03-31	-34
2019-06-30	-32
2019-09-30	-60
2019-12-31	-67
2020-03-31	-73
2020-06-30	-106
2020-09-30	-111
2020-12-31	-135
2021-03-31	-132
2021-06-30	-133
2021-09-30	-120
2021-12-31	-115
2022-03-31	-143
2022-06-30	-141
2022-09-30	-156
2022-12-31	-227
2023-03-31	-227
2023-06-30	-300
2023-09-30	-374