Quarter	US dollars
2004-12-31	0
2005-03-31	2
2005-06-30	0
2005-09-30	0
2005-12-31	0
2006-03-31	0
2006-06-30	0
2006-09-30	0
2006-12-31	0
2007-03-31	0
2007-06-30	12
2007-09-30	0
2007-12-31	100
2008-03-31	0
2008-06-30	0
2008-09-30	0
2008-12-31	0
2009-03-31	1
2009-06-30	3
2009-09-30	3
2009-12-31	3
2010-03-31	5
2010-06-30	3
2010-09-30	351
2010-12-31	271
2011-03-31	287
2011-06-30	267
2011-09-30	270
2011-12-31	263
2012-03-31	260
2012-06-30	275
2012-09-30	16
2012-12-31	36
2013-03-31	33
2013-06-30	35
2013-09-30	65
2013-12-31	79
2014-03-31	77
2014-06-30	67
2014-09-30	60
2014-12-31	58
2015-03-31	59
2015-06-30	64
2015-09-30	62
2015-12-31	62
2016-03-31	63
2016-06-30	62
2016-09-30	62
2016-12-31	63
2017-03-31	71
2017-06-30	70
2017-09-30	76
2017-12-31	126
2018-03-31	109
2018-06-30	128
2018-09-30	124
2018-12-31	123
2019-03-31	132
2019-06-30	5
2019-09-30	11
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	1
2021-12-31	1
2022-03-31	9
2022-06-30	2
2022-09-30	21
2022-12-31	3
2023-03-31	0
2023-06-30	8
2023-09-30	11