Quarter	US dollars
2004-12-31	313
2005-06-30	0
2008-12-31	566
2009-09-30	485
2010-06-30	1391
2010-09-30	1637
2010-12-31	2314
2011-03-31	2231
2011-06-30	2160
2011-09-30	1650
2011-12-31	962
2012-03-31	1715
2012-06-30	1553
2012-09-30	1076
2012-12-31	994
2013-03-31	1016
2013-06-30	1087
2013-12-31	1205
2014-03-31	1177
2014-06-30	1110
2014-09-30	1268
2014-12-31	292
2015-03-31	227
2015-06-30	135
2015-09-30	68
2015-12-31	111
2016-03-31	68
2016-06-30	44
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