Quarter	US dollars
2004-12-31	2
2005-03-31	6
2005-06-30	7
2005-09-30	7
2005-12-31	3
2006-03-31	3
2006-06-30	2
2006-09-30	6
2006-12-31	4
2007-03-31	2
2007-06-30	6
2007-09-30	2
2007-12-31	2
2008-03-31	2
2008-06-30	6
2008-09-30	5
2008-12-31	1
2009-03-31	6
2009-06-30	2
2009-09-30	5
2009-12-31	5
2010-03-31	2
2010-06-30	1
2010-09-30	16
2010-12-31	17
2011-03-31	18
2011-06-30	18
2011-09-30	14
2011-12-31	12
2012-03-31	2
2012-06-30	0
2012-09-30	0
2012-12-31	0
2013-03-31	0
2013-06-30	6
2013-09-30	0
2013-12-31	0
2014-03-31	0
2014-06-30	0
2014-09-30	0
2014-12-31	0
2015-03-31	0
2015-06-30	0
2015-09-30	0
2015-12-31	0
2016-03-31	0
2016-06-30	1
2016-09-30	0
2016-12-31	1
2017-03-31	1
2017-06-30	126
2017-09-30	169
2017-12-31	177
2018-03-31	146
2018-06-30	156
2018-09-30	156
2018-12-31	153
2019-03-31	126
2019-06-30	164
2019-09-30	159
2019-12-31	161
2020-03-31	86
2020-06-30	166
2020-09-30	198
2020-12-31	236
2021-03-31	208
2021-06-30	155
2021-09-30	115
2021-12-31	137
2022-03-31	130
2022-06-30	69
2022-09-30	63
2022-12-31	21
2023-03-31	46
2023-06-30	78
2023-09-30	109