Quarter	US dollars
2004-12-31	223
2005-03-31	62
2005-06-30	57
2005-09-30	51
2005-12-31	179
2006-03-31	246
2006-06-30	250
2006-09-30	245
2006-12-31	315
2007-03-31	300
2007-06-30	265
2007-09-30	232
2007-12-31	233
2008-03-31	246
2008-06-30	229
2008-09-30	203
2008-12-31	233
2009-03-31	232
2009-06-30	343
2009-09-30	309
2009-12-31	249
2010-03-31	140
2010-06-30	136
2010-09-30	54
2010-12-31	53
2011-03-31	59
2011-06-30	74
2011-09-30	53
2011-12-31	49
2012-03-31	0
2012-06-30	49
2012-09-30	48
2012-12-31	50
2013-03-31	62
2013-06-30	49
2013-09-30	60
2013-12-31	61
2014-03-31	37
2014-06-30	12
2014-09-30	15
2014-12-31	14
2015-03-31	10
2015-06-30	14
2015-09-30	3
2015-12-31	3
2016-03-31	3
2016-06-30	3
2016-09-30	0
2016-12-31	0
2017-03-31	0
2017-06-30	0
2017-09-30	0
2017-12-31	3
2018-03-31	0
2018-06-30	25
2018-09-30	9
2018-12-31	13
2019-03-31	9
2019-06-30	31
2019-09-30	0
2019-12-31	4
2020-03-31	4
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