Quarter	US dollars
2004-12-31	282
2005-03-31	142
2005-06-30	118
2005-09-30	265
2005-12-31	167
2006-03-31	175
2006-06-30	189
2006-09-30	286
2006-12-31	393
2007-03-31	798
2007-06-30	728
2007-09-30	780
2007-12-31	551
2008-03-31	1359
2008-06-30	575
2008-09-30	349
2008-12-31	223
2009-03-31	447
2009-06-30	308
2009-09-30	301
2009-12-31	233
2010-03-31	12
2010-06-30	3
2010-09-30	2221
2010-12-31	715
2011-03-31	0
2011-06-30	0
2011-09-30	0
2011-12-31	0
2012-03-31	0
2012-06-30	0
2012-09-30	0
2012-12-31	0
2013-03-31	0
2013-06-30	0
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	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	1
2018-03-31	0
2018-06-30	0
2018-09-30	0
2018-12-31	9
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