Quarter	US dollars
2004-12-31	21
2005-03-31	17
2005-06-30	7
2005-09-30	18
2005-12-31	26
2006-03-31	10
2006-06-30	39
2006-09-30	35
2006-12-31	49
2007-03-31	39
2007-06-30	40
2007-09-30	43
2007-12-31	108
2008-03-31	44
2008-06-30	44
2008-09-30	30
2008-12-31	105
2009-03-31	47
2009-06-30	35
2009-09-30	32
2009-12-31	15
2010-03-31	29
2010-06-30	15
2010-09-30	16
2010-12-31	11
2011-03-31	34
2011-06-30	61
2011-09-30	48
2011-12-31	49
2012-03-31	29
2012-06-30	28
2012-09-30	15
2012-12-31	21
2013-03-31	47
2013-06-30	21
2013-09-30	31
2013-12-31	74
2014-03-31	45
2014-06-30	31
2014-09-30	24
2014-12-31	6
2015-03-31	6
2015-06-30	8
2015-09-30	3
2015-12-31	3
2016-03-31	3
2016-06-30	3
2016-09-30	3
2016-12-31	2
2017-03-31	0
2017-06-30	3
2017-09-30	3
2017-12-31	3
2018-03-31	0
2018-06-30	0
2018-09-30	0
2018-12-31	0
2019-03-31	0
2019-06-30	0
2019-09-30	0
2019-12-31	0
2020-03-31	0
2020-06-30	0
2020-09-30	0
2020-12-31	1
2021-03-31	0
2021-06-30	0
2021-09-30	0
2021-12-31	0
2022-03-31	0
2022-06-30	0
2022-09-30	0
2022-12-31	0
2023-03-31	5
2023-06-30	4
2023-09-30	0