Quarter	US dollars
2004-12-31	38
2005-03-31	17
2005-06-30	11
2005-09-30	5
2005-12-31	-592
2006-03-31	-741
2006-06-30	-732
2006-09-30	-729
2006-12-31	-757
2007-03-31	-877
2007-06-30	-1065
2007-09-30	-1110
2007-12-31	-697
2008-03-31	-507
2008-06-30	22
2008-09-30	-7
2008-12-31	-17
2009-03-31	-60
2009-06-30	-18
2009-09-30	-14
2009-12-31	-312
2010-03-31	-76
2010-06-30	-186
2010-09-30	-189
2010-12-31	-222
2011-03-31	-184
2011-06-30	-262
2011-09-30	-190
2011-12-31	-182
2012-03-31	-137
2012-06-30	-122
2012-09-30	-118
2012-12-31	-71
2013-03-31	-20
2013-06-30	-20
2013-09-30	-11
2013-12-31	13
2014-03-31	12
2014-06-30	19
2014-09-30	32
2014-12-31	14
2015-03-31	1
2015-06-30	-22
2015-09-30	-24
2015-12-31	30
2016-03-31	56
2016-06-30	-3
2016-09-30	3
2016-12-31	10
2017-03-31	14
2017-06-30	-3
2017-09-30	-5
2017-12-31	26
2018-03-31	31
2018-06-30	29
2018-09-30	27
2018-12-31	24
2019-03-31	21
2019-06-30	24
2019-09-30	12
2019-12-31	22
2020-03-31	9
2020-06-30	9
2020-09-30	13
2020-12-31	18
2021-03-31	14
2021-06-30	17
2021-09-30	12
2021-12-31	26
2022-03-31	32
2022-06-30	35
2022-09-30	32
2022-12-31	34
2023-03-31	13
2023-06-30	-20
2023-09-30	-159