Quarter	US dollars
2004-12-31	324
2005-03-31	425
2005-06-30	405
2005-09-30	402
2005-12-31	340
2006-03-31	331
2006-06-30	333
2006-09-30	295
2006-12-31	272
2007-03-31	259
2007-06-30	247
2007-09-30	238
2007-12-31	233
2008-03-31	181
2008-06-30	165
2008-09-30	0
2008-12-31	134
2009-03-31	265
2009-06-30	250
2009-09-30	214
2009-12-31	157
2010-03-31	140
2010-06-30	57
2010-09-30	57
2010-12-31	42
2011-03-31	40
2011-06-30	87
2011-09-30	44
2011-12-31	9
2012-03-31	61
2012-06-30	56
2012-09-30	55
2012-12-31	94
2013-03-31	83
2013-06-30	39
2013-09-30	39
2013-12-31	40
2014-03-31	40
2014-06-30	39
2014-09-30	41
2014-12-31	39
2015-03-31	40
2015-06-30	2
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	3
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