Quarter	US dollars
2004-12-31	10
2005-03-31	0
2005-06-30	0
2005-09-30	2
2005-12-31	21
2006-03-31	0
2006-06-30	2
2006-09-30	7
2006-12-31	22
2007-03-31	27
2007-06-30	76
2007-09-30	102
2007-12-31	84
2008-03-31	62
2008-06-30	0
2008-09-30	0
2008-12-31	0
2009-03-31	10
2009-06-30	12
2009-09-30	11
2009-12-31	11
2010-03-31	12
2010-06-30	12
2010-09-30	14
2010-12-31	14
2011-03-31	0
2011-06-30	0
2011-09-30	0
2011-12-31	0
2012-03-31	0
2012-06-30	0
2012-09-30	0
2012-12-31	0
2013-03-31	0
2013-06-30	0
2013-09-30	0
2013-12-31	0
2014-03-31	0
2014-06-30	0
2014-09-30	3
2014-12-31	11
2015-03-31	3
2015-06-30	3
2015-09-30	0
2015-12-31	0
2016-03-31	0
2016-06-30	0
2016-09-30	0
2016-12-31	0
2017-03-31	0
2017-06-30	0
2017-09-30	0
2017-12-31	54
2018-03-31	58
2018-06-30	54
2018-09-30	53
2018-12-31	54
2019-03-31	53
2019-06-30	53
2019-09-30	54
2019-12-31	54
2020-03-31	51
2020-06-30	52
2020-09-30	53
2020-12-31	56
2021-03-31	55
2021-06-30	54
2021-09-30	53
2021-12-31	53
2022-03-31	53
2022-06-30	236
2022-09-30	184
2022-12-31	184
2023-03-31	138
2023-06-30	136
2023-09-30	138