Quarter	US dollars
2004-12-31	835
2005-03-31	803
2005-06-30	853
2005-09-30	803
2005-12-31	783
2006-03-31	1100
2006-06-30	1154
2006-09-30	1099
2006-12-31	1147
2007-03-31	1202
2007-06-30	1394
2007-09-30	1436
2007-12-31	1398
2008-03-31	2
2008-06-30	6
2008-09-30	5
2008-12-31	0
2009-03-31	1
2009-06-30	3
2009-09-30	5
2009-12-31	5
2010-03-31	3
2010-06-30	0
2010-09-30	2
2010-12-31	5
2011-03-31	5
2011-06-30	2
2011-09-30	3
2011-12-31	3
2012-03-31	2
2012-06-30	3
2012-09-30	8
2012-12-31	0
2013-03-31	2
2013-06-30	3
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	15
2015-12-31	3
2016-03-31	3
2016-06-30	7
2016-09-30	4
2016-12-31	0
2017-03-31	1
2017-06-30	32
2017-09-30	19
2017-12-31	20
2018-03-31	21
2018-06-30	20
2018-09-30	5
2018-12-31	14
2019-03-31	4
2019-06-30	22
2019-09-30	15
2019-12-31	16
2020-03-31	6
2020-06-30	27
2020-09-30	16
2020-12-31	3
2021-03-31	14
2021-06-30	35
2021-09-30	31
2021-12-31	7
2022-03-31	3
2022-06-30	8
2022-09-30	22
2022-12-31	6
2023-03-31	2
2023-06-30	4
2023-09-30	4