Quarter	US dollars
2004-12-31	2
2005-03-31	2
2005-06-30	0
2005-09-30	2
2005-12-31	0
2006-03-31	0
2006-06-30	4
2006-09-30	4
2006-12-31	6
2007-03-31	6
2007-06-30	4
2007-09-30	8
2007-12-31	6
2008-03-31	56
2008-06-30	60
2008-09-30	53
2008-12-31	70
2009-03-31	20
2009-06-30	26
2009-09-30	27
2009-12-31	39
2010-03-31	39
2010-06-30	34
2010-09-30	36
2010-12-31	19
2011-03-31	24
2011-06-30	13
2011-09-30	2
2011-12-31	9
2012-03-31	11
2012-06-30	8
2012-09-30	50
2012-12-31	220
2013-03-31	254
2013-06-30	261
2013-09-30	105
2013-12-31	94
2014-03-31	62
2014-06-30	60
2014-09-30	73
2014-12-31	81
2015-03-31	83
2015-06-30	74
2015-09-30	79
2015-12-31	71
2016-03-31	81
2016-06-30	86
2016-09-30	79
2016-12-31	86
2017-03-31	95
2017-06-30	90
2017-09-30	86
2017-12-31	80
2018-03-31	76
2018-06-30	70
2018-09-30	72
2018-12-31	74
2019-03-31	70
2019-06-30	61
2019-09-30	71
2019-12-31	63
2020-03-31	74
2020-06-30	84
2020-09-30	67
2020-12-31	71
2021-03-31	88
2021-06-30	95
2021-09-30	97
2021-12-31	78
2022-03-31	67
2022-06-30	68
2022-09-30	60
2022-12-31	54
2023-03-31	56
2023-06-30	59
2023-09-30	65