Quarter	US dollars
2004-12-31	35
2005-03-31	30
2005-06-30	32
2005-09-30	78
2005-12-31	163
2006-03-31	193
2006-06-30	68
2006-09-30	21
2006-12-31	90
2007-03-31	20
2007-06-30	32
2007-09-30	31
2007-12-31	30
2008-03-31	46
2008-06-30	54
2008-09-30	52
2008-12-31	69
2009-03-31	33
2009-06-30	33
2009-09-30	43
2009-12-31	13
2010-03-31	15
2010-06-30	10
2010-09-30	17
2010-12-31	16
2011-03-31	40
2011-06-30	13
2011-09-30	11
2011-12-31	455
2012-03-31	32
2012-06-30	30
2012-09-30	36
2012-12-31	105
2013-03-31	102
2013-06-30	109
2013-09-30	104
2013-12-31	76
2014-03-31	83
2014-06-30	79
2014-09-30	86
2014-12-31	94
2015-03-31	101
2015-06-30	116
2015-09-30	17
2015-12-31	0
2016-03-31	46
2016-06-30	39
2016-09-30	52
2016-12-31	36
2017-03-31	40
2017-06-30	5
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	0
2019-06-30	0
2019-09-30	0
2019-12-31	0
2020-03-31	0
2020-06-30	0
2020-09-30	0
2020-12-31	0
2021-03-31	0
2021-06-30	0
2021-09-30	0
2021-12-31	0
2022-03-31	0
2022-06-30	0
2022-09-30	0
2022-12-31	1
2023-03-31	1
2023-06-30	1
2023-09-30	1