Quarter	US dollars
2004-12-31	31
2005-03-31	42
2005-06-30	41
2005-12-31	0
2006-03-31	0
2006-06-30	0
2006-09-30	0
2006-12-31	0
2008-09-30	159
2008-12-31	141
2009-09-30	128
2010-06-30	61
2014-03-31	7
2015-03-31	21
2015-06-30	20
2015-09-30	15
2015-12-31	19
2016-03-31	0
2016-06-30	0
2016-09-30	0
2016-12-31	0
2017-03-31	54
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