Quarter	US dollars
2004-12-31	157
2005-03-31	96
2005-06-30	84
2005-09-30	147
2005-12-31	0
2006-03-31	0
2006-06-30	0
2006-09-30	24
2006-12-31	0
2007-03-31	0
2007-06-30	0
2007-09-30	0
2007-12-31	0
2008-03-31	0
2008-06-30	0
2008-09-30	0
2008-12-31	0
2009-03-31	4
2009-06-30	0
2009-09-30	0
2009-12-31	0
2010-03-31	0
2010-06-30	0
2010-09-30	19
2010-12-31	19
2011-03-31	19
2011-06-30	9380
2011-09-30	11234
2011-12-31	4069
2012-03-31	2023
2012-06-30	44
2012-09-30	66
2012-12-31	87
2013-03-31	736
2013-06-30	82
2013-09-30	87
2013-12-31	88
2014-03-31	577
2014-06-30	87
2014-09-30	92
2014-12-31	73
2015-03-31	76
2015-06-30	173
2015-09-30	680
2015-12-31	151
2016-03-31	177
2016-06-30	205
2016-09-30	225
2016-12-31	137
2017-03-31	140
2017-06-30	483
2017-09-30	673
2017-12-31	561
2018-03-31	450
2018-06-30	411
2018-09-30	273
2018-12-31	453
2019-03-31	730
2019-06-30	736
2019-09-30	1058