Quarter	US dollars
2004-12-31	31
2005-03-31	64
2005-06-30	9
2005-09-30	25
2005-12-31	1
2006-03-31	3
2006-06-30	4
2006-09-30	10
2006-12-31	7
2007-03-31	6
2007-06-30	8
2007-09-30	0
2007-12-31	0
2008-03-31	12
2008-06-30	12
2008-09-30	2
2008-12-31	27
2009-03-31	19
2009-06-30	13
2009-09-30	13
2009-12-31	18
2010-03-31	50
2010-06-30	72
2010-09-30	93
2010-12-31	83
2011-03-31	164
2011-06-30	13
2011-09-30	129
2011-12-31	0
2012-03-31	35
2012-06-30	91
2012-09-30	89
2012-12-31	188
2013-03-31	153
2013-06-30	47
2013-09-30	183
2013-12-31	84
2014-03-31	57
2014-06-30	214
2014-09-30	-3
2014-12-31	0
2015-03-31	76
2015-06-30	2
2015-09-30	2
2015-12-31	-3
2016-03-31	9
2016-06-30	3
2016-09-30	0
2016-12-31	0
2017-03-31	0
2017-06-30	0
2017-09-30	0
2017-12-31	0
2018-03-31	8
2018-06-30	0
2018-09-30	0
2018-12-31	0
2019-03-31	0
2019-06-30	33
2019-09-30	0
2019-12-31	-1
2020-03-31	0
2020-06-30	0
2020-09-30	0
2020-12-31	0
2021-03-31	0
2021-06-30	0
2021-09-30	3
2021-12-31	3
2022-03-31	3
2022-06-30	7
2022-09-30	7
2022-12-31	0
2023-03-31	1
2023-06-30	0
2023-09-30	1