Quarter	US dollars
2004-12-31	8
2005-03-31	15
2005-06-30	11
2005-09-30	44
2005-12-31	45
2006-03-31	31
2006-06-30	57
2006-09-30	65
2006-12-31	194
2007-03-31	190
2007-06-30	159
2007-09-30	79
2007-12-31	16
2008-03-31	12
2008-06-30	14
2008-09-30	16
2008-12-31	13
2009-03-31	11
2009-06-30	15
2009-09-30	70
2009-12-31	86
2010-03-31	94
2010-06-30	91
2010-09-30	124
2010-12-31	108
2011-03-31	125
2011-06-30	53
2011-09-30	69
2011-12-31	53
2012-03-31	102
2012-06-30	91
2012-09-30	94
2012-12-31	107
2013-03-31	58
2013-06-30	5
2013-09-30	10
2013-12-31	7
2014-03-31	45
2014-06-30	44
2014-09-30	34
2014-12-31	39
2015-03-31	34
2015-06-30	31
2015-09-30	23
2015-12-31	1
2016-03-31	1
2016-06-30	0
2016-09-30	1
2016-12-31	0
2017-03-31	0
2017-06-30	0
2017-09-30	0
2017-12-31	0
2018-03-31	0
2018-06-30	0
2018-09-30	0
2018-12-31	0
2019-03-31	117
2019-06-30	4
2019-09-30	5
2019-12-31	7
2020-03-31	1
2020-06-30	246
2020-09-30	240
2020-12-31	239
2021-03-31	240
2021-06-30	239
2021-09-30	239
2021-12-31	240
2022-03-31	242
2022-06-30	243
2022-09-30	244
2022-12-31	243
2023-03-31	254
2023-06-30	400
2023-09-30	404