Quarter	US dollars
2004-12-31	25
2005-03-31	26
2005-06-30	27
2005-09-30	28
2005-12-31	29
2006-03-31	28
2006-06-30	28
2006-09-30	95
2006-12-31	88
2007-03-31	86
2007-06-30	88
2007-09-30	24
2007-12-31	24
2008-03-31	24
2008-06-30	20
2008-09-30	25
2008-12-31	0
2009-03-31	0
2009-06-30	69
2009-09-30	61
2009-12-31	8
2010-03-31	0
2010-06-30	0
2010-09-30	0
2010-12-31	0
2011-03-31	0
2011-06-30	5
2011-09-30	5
2011-12-31	5
2012-03-31	107
2012-06-30	111
2012-09-30	375
2012-12-31	361
2013-03-31	314
2013-06-30	97
2013-09-30	96
2013-12-31	91
2014-03-31	98
2014-06-30	96
2014-09-30	92
2014-12-31	89
2015-03-31	86
2015-06-30	195
2015-09-30	180
2015-12-31	163
2016-03-31	152
2016-06-30	273
2016-09-30	260
2016-12-31	157
2017-03-31	113
2017-06-30	109
2017-09-30	25
2017-12-31	35
2018-03-31	94
2018-06-30	78
2018-09-30	14
2018-12-31	52
2019-03-31	26
2019-06-30	47
2019-09-30	46
2019-12-31	48
2020-03-31	52
2020-06-30	70
2020-09-30	74
2020-12-31	79
2021-03-31	109
2021-06-30	158
2021-09-30	150
2021-12-31	115
2022-03-31	118
2022-06-30	121
2022-09-30	125
2022-12-31	131
2023-03-31	136
2023-06-30	143
2023-09-30	146