Quarter	US dollars
2004-12-31	-15
2005-03-31	-13
2005-06-30	86
2005-09-30	140
2005-12-31	50
2006-03-31	-64
2006-06-30	-44
2006-09-30	-30
2006-12-31	-72
2007-03-31	-80
2007-06-30	-68
2007-09-30	-306
2007-12-31	-255
2008-03-31	-54
2008-06-30	36
2008-09-30	5
2008-12-31	0
2009-03-31	26
2009-06-30	13
2009-09-30	18
2009-12-31	-15
2010-03-31	67
2010-06-30	9
2010-09-30	-49
2010-12-31	-59
2011-03-31	-55
2011-06-30	-27
2011-09-30	-56
2011-12-31	-40
2012-03-31	-59
2012-06-30	-74
2012-09-30	-68
2012-12-31	-78
2013-03-31	-70
2013-06-30	-76
2013-09-30	-60
2013-12-31	-58
2014-03-31	-8
2014-06-30	-9
2014-09-30	-5
2014-12-31	0
2015-03-31	-9
2015-06-30	-8
2015-09-30	-6
2015-12-31	7
2016-03-31	9
2016-06-30	5
2016-09-30	5
2016-12-31	14
2017-03-31	14
2017-06-30	12
2017-09-30	13
2017-12-31	14
2018-03-31	13
2018-06-30	15
2018-09-30	0
2018-12-31	0
2019-03-31	18
2019-06-30	129
2019-09-30	234
2019-12-31	184
2020-03-31	248
2020-06-30	269
2020-09-30	297
2020-12-31	298
2021-03-31	292
2021-06-30	40
2021-09-30	24
2021-12-31	38
2022-03-31	93
2022-06-30	41
2022-09-30	-34
2022-12-31	-14
2023-03-31	-21
2023-06-30	70
2023-09-30	166