Quarter	US dollars
2004-12-31	46
2005-03-31	25
2005-06-30	13
2005-09-30	35
2005-12-31	34
2006-03-31	121
2006-06-30	61
2006-09-30	28
2006-12-31	29
2007-03-31	86
2007-06-30	62
2007-09-30	31
2007-12-31	129
2008-03-31	36
2008-06-30	42
2008-09-30	59
2008-12-31	66
2009-03-31	16
2009-06-30	5
2009-09-30	26
2009-12-31	48
2010-03-31	56
2010-06-30	115
2010-09-30	90
2010-12-31	69
2011-03-31	90
2011-06-30	45
2011-09-30	73
2011-12-31	60
2012-03-31	10
2012-06-30	14
2012-09-30	137
2012-12-31	207
2013-03-31	56
2013-06-30	12
2013-09-30	87
2013-12-31	69
2014-03-31	100
2014-06-30	77
2014-09-30	104
2014-12-31	52
2015-03-31	16
2015-06-30	52
2015-09-30	68
2015-12-31	-1
2016-03-31	14
2016-06-30	8
2016-09-30	1
2016-12-31	1
2017-03-31	20
2017-06-30	12
2017-09-30	15
2017-12-31	12
2018-03-31	14
2018-06-30	38
2018-09-30	12
2018-12-31	1
2019-03-31	13
2019-06-30	17
2019-09-30	51
2019-12-31	65
2020-03-31	45
2020-06-30	58
2020-09-30	56
2020-12-31	117
2021-03-31	98
2021-06-30	86
2021-09-30	28
2021-12-31	92
2022-03-31	64
2022-06-30	55
2022-09-30	34
2022-12-31	58
2023-03-31	17
2023-06-30	16
2023-09-30	31