Quarter	US dollars
2004-12-31	60
2005-03-31	6
2005-06-30	77
2005-09-30	64
2005-12-31	64
2006-03-31	64
2006-06-30	80
2006-09-30	78
2006-12-31	74
2007-03-31	75
2007-06-30	42
2007-09-30	75
2007-12-31	171
2008-03-31	503
2008-06-30	239
2008-09-30	396
2008-12-31	737
2009-03-31	691
2009-06-30	417
2009-09-30	507
2009-12-31	396
2010-03-31	411
2010-06-30	518
2010-09-30	585
2010-12-31	413
2011-03-31	346
2011-06-30	385
2011-09-30	472
2011-12-31	424
2012-03-31	404
2012-06-30	402
2012-09-30	304
2012-12-31	163
2013-03-31	146
2013-06-30	117
2013-09-30	207
2013-12-31	117
2014-03-31	40
2014-06-30	118
2014-09-30	117
2014-12-31	119
2015-03-31	125
2015-06-30	105
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
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	0
2021-12-31	0
2022-03-31	0
2022-06-30	0
2022-09-30	0
2022-12-31	0
2023-03-31	0
2023-06-30	0
2023-09-30	0