Quarter	US dollars
2004-12-31	499
2005-03-31	202
2005-06-30	229
2005-09-30	168
2005-12-31	405
2006-03-31	278
2006-06-30	242
2006-09-30	282
2006-12-31	106
2007-03-31	49
2007-06-30	102
2007-09-30	145
2007-12-31	167
2008-03-31	24
2008-06-30	38
2008-09-30	178
2008-12-31	19
2009-03-31	24
2009-06-30	23
2009-09-30	16
2009-12-31	21
2010-03-31	29
2010-06-30	157
2010-09-30	134
2010-12-31	116
2011-03-31	106
2011-06-30	80
2011-09-30	69
2011-12-31	605
2012-03-31	897
2012-06-30	875
2012-09-30	775
2012-12-31	170
2013-03-31	131
2013-06-30	226
2013-09-30	232
2013-12-31	36
2014-03-31	27
2014-06-30	655
2014-09-30	26
2014-12-31	2
2015-03-31	99
2015-06-30	3
2015-09-30	21
2015-12-31	0
2016-03-31	3
2016-06-30	3
2016-09-30	1
2016-12-31	-1
2017-03-31	1
2017-06-30	3
2017-09-30	5
2017-12-31	3
2018-03-31	0
2018-06-30	3
2018-09-30	7
2018-12-31	6
2019-03-31	5
2019-06-30	6
2019-09-30	5
2019-12-31	0
2020-03-31	1
2020-06-30	1
2020-09-30	6
2020-12-31	7
2021-03-31	0
2021-06-30	0
2021-09-30	0
2021-12-31	0
2022-03-31	1
2022-06-30	2
2022-09-30	1
2022-12-31	0
2023-03-31	0
2023-06-30	0
2023-09-30	0