Quarter	US dollars
2004-12-31	19
2005-03-31	19
2005-06-30	13
2005-09-30	9
2005-12-31	10
2006-03-31	7
2006-06-30	18
2006-09-30	22
2006-12-31	53
2007-03-31	41
2007-06-30	50
2007-09-30	49
2007-12-31	48
2008-03-31	52
2008-06-30	52
2008-09-30	52
2008-12-31	40
2009-03-31	73
2009-06-30	63
2009-09-30	66
2009-12-31	60
2010-03-31	73
2010-06-30	100
2010-09-30	109
2010-12-31	78
2011-03-31	103
2011-06-30	79
2011-09-30	70
2011-12-31	63
2012-03-31	66
2012-06-30	63
2012-09-30	66
2012-12-31	68
2013-03-31	67
2013-06-30	135
2013-09-30	120
2013-12-31	68
2014-03-31	70
2014-06-30	68
2014-09-30	83
2014-12-31	55
2015-03-31	43
2015-06-30	44
2015-09-30	56
2015-12-31	39
2016-03-31	39
2016-06-30	21
2016-09-30	22
2016-12-31	21
2017-03-31	20
2017-06-30	26
2017-09-30	21
2017-12-31	22
2018-03-31	24
2018-06-30	5
2018-09-30	3
2018-12-31	3
2019-03-31	3
2019-06-30	4
2019-09-30	4
2019-12-31	1
2020-03-31	0
2020-06-30	1
2020-09-30	3
2020-12-31	3
2021-03-31	3
2021-06-30	1
2021-09-30	4
2021-12-31	1
2022-03-31	1
2022-06-30	1
2022-09-30	1
2022-12-31	1
2023-03-31	1
2023-06-30	12
2023-09-30	11