Quarter	US dollars
2004-12-31	54
2005-03-31	55
2005-06-30	54
2005-09-30	19
2005-12-31	26
2006-03-31	23
2006-06-30	83
2006-09-30	105
2006-12-31	57
2007-03-31	49
2007-06-30	50
2007-09-30	63
2007-12-31	46
2008-03-31	36
2008-06-30	113
2008-09-30	18
2008-12-31	14
2009-03-31	19
2009-06-30	87
2009-09-30	216
2009-12-31	99
2010-03-31	256
2010-06-30	186
2010-09-30	80
2010-12-31	92
2011-03-31	109
2011-06-30	104
2011-09-30	126
2011-12-31	131
2012-03-31	193
2012-06-30	220
2012-09-30	250
2012-12-31	133
2013-03-31	131
2013-06-30	129
2013-09-30	42
2013-12-31	36
2014-03-31	37
2014-06-30	32
2014-09-30	34
2014-12-31	28
2015-03-31	21
2015-06-30	20
2015-09-30	12
2015-12-31	13
2016-03-31	12
2016-06-30	12
2016-09-30	31
2016-12-31	11
2017-03-31	10
2017-06-30	21
2017-09-30	13
2017-12-31	27
2018-03-31	14
2018-06-30	12
2018-09-30	16
2018-12-31	9
2019-03-31	12
2019-06-30	10
2019-09-30	65
2019-12-31	13
2020-03-31	9
2020-06-30	6
2020-09-30	36
2020-12-31	29
2021-03-31	18
2021-06-30	8
2021-09-30	15
2021-12-31	9
2022-03-31	13
2022-06-30	10
2022-09-30	9
2022-12-31	9
2023-03-31	8
2023-06-30	4
2023-09-30	14