Quarter	US dollars
2004-12-31	27
2005-03-31	26
2005-06-30	5
2005-09-30	5
2005-12-31	7
2006-03-31	3
2006-06-30	57
2006-09-30	174
2006-12-31	102
2007-03-31	104
2007-06-30	72
2007-09-30	57
2007-12-31	832
2008-03-31	894
2008-06-30	800
2008-09-30	718
2008-12-31	597
2009-03-31	34
2009-06-30	41
2009-09-30	11
2009-12-31	97
2010-03-31	88
2010-06-30	16
2010-09-30	46
2010-12-31	142
2011-03-31	151
2011-06-30	109
2011-09-30	23
2011-12-31	39
2012-03-31	27
2012-06-30	30
2012-09-30	34
2012-12-31	60
2013-03-31	74
2013-06-30	59
2013-09-30	32
2013-12-31	8
2014-03-31	18
2014-06-30	99
2014-09-30	41
2014-12-31	58
2015-03-31	64
2015-06-30	-36
2015-09-30	-85
2015-12-31	-104
2016-03-31	29
2016-06-30	134
2016-09-30	35
2016-12-31	70
2017-03-31	15
2017-06-30	5
2017-09-30	20
2017-12-31	30
2018-03-31	84
2018-06-30	124
2018-09-30	87
2018-12-31	15
2019-03-31	69
2019-06-30	33
2019-09-30	83
2019-12-31	42
2020-03-31	50
2020-06-30	87
2020-09-30	16
2020-12-31	51
2021-03-31	46
2021-06-30	26
2021-09-30	50
2021-12-31	18
2022-03-31	-11
2022-06-30	41
2022-09-30	34
2022-12-31	78
2023-03-31	121
2023-06-30	75
2023-09-30	-33