Quarter	US dollars
2004-12-31	6
2005-03-31	9
2005-06-30	5
2005-09-30	41
2005-12-31	7
2006-03-31	0
2006-06-30	2
2006-09-30	2
2006-12-31	2
2007-03-31	2
2007-06-30	4
2007-09-30	2
2007-12-31	6
2008-03-31	6
2008-06-30	6
2008-09-30	7
2008-12-31	4
2009-03-31	95
2009-06-30	3
2009-09-30	2
2009-12-31	31
2010-03-31	20
2010-06-30	4
2010-09-30	8
2010-12-31	9
2011-03-31	19
2011-06-30	10
2011-09-30	6
2011-12-31	6
2012-03-31	224
2012-06-30	223
2012-09-30	239
2012-12-31	223
2013-03-31	235
2013-06-30	218
2013-09-30	134
2013-12-31	124
2014-03-31	110
2014-06-30	104
2014-09-30	81
2014-12-31	64
2015-03-31	58
2015-06-30	64
2015-09-30	0
2015-12-31	0
2016-03-31	0
2016-06-30	0
2016-09-30	0
2016-12-31	0
2017-03-31	0
2017-06-30	0
2017-09-30	0
2017-12-31	0
2018-03-31	0
2018-06-30	0
2018-09-30	0
2018-12-31	0
2019-03-31	0
2019-06-30	0
2019-09-30	0