Quarter	US dollars
2004-12-31	0
2005-03-31	2
2005-06-30	4
2005-09-30	0
2005-12-31	2
2006-03-31	0
2006-06-30	2
2006-09-30	4
2006-12-31	0
2007-03-31	4
2007-06-30	12
2007-09-30	10
2007-12-31	20
2008-03-31	74
2008-06-30	46
2008-09-30	70
2008-12-31	75
2009-03-31	79
2009-06-30	43
2009-09-30	53
2009-12-31	53
2010-03-31	55
2010-06-30	70
2010-09-30	35
2010-12-31	38
2011-03-31	21
2011-06-30	37
2011-09-30	125
2011-12-31	74
2012-03-31	11
2012-06-30	27
2012-09-30	6
2012-12-31	5
2013-03-31	5
2013-06-30	9
2013-09-30	16
2013-12-31	12
2014-03-31	25
2014-06-30	19
2014-09-30	44
2014-12-31	27
2015-03-31	94
2015-06-30	3
2015-09-30	5
2015-12-31	6
2016-03-31	7
2016-06-30	50
2016-09-30	29
2016-12-31	23
2017-03-31	35
2017-06-30	75
2017-09-30	16
2017-12-31	57
2018-03-31	32
2018-06-30	25
2018-09-30	64
2018-12-31	65
2019-03-31	43
2019-06-30	43
2019-09-30	60
2019-12-31	59
2020-03-31	182
2020-06-30	62
2020-09-30	48
2020-12-31	38
2021-03-31	54
2021-06-30	32
2021-09-30	73
2021-12-31	27
2022-03-31	49
2022-06-30	31
2022-09-30	24
2022-12-31	23
2023-03-31	12
2023-06-30	15
2023-09-30	38