Quarter	US dollars
2004-12-31	0
2005-03-31	0
2005-06-30	22
2005-09-30	11
2005-12-31	12
2006-03-31	12
2006-06-30	11
2006-09-30	9
2006-12-31	10
2007-03-31	61
2007-06-30	44
2007-09-30	65
2007-12-31	58
2008-03-31	72
2008-06-30	76
2008-09-30	94
2008-12-31	52
2009-03-31	30
2009-06-30	26
2009-09-30	42
2009-12-31	31
2010-03-31	23
2010-06-30	27
2010-09-30	27
2010-12-31	189
2011-03-31	213
2011-06-30	177
2011-09-30	195
2011-12-31	159
2012-03-31	252
2012-06-30	243
2012-09-30	268
2012-12-31	167
2013-03-31	254
2013-06-30	133
2013-09-30	149
2013-12-31	109
2014-03-31	83
2014-06-30	101
2014-09-30	94
2014-12-31	41
2015-03-31	36
2015-06-30	2
2015-09-30	3
2015-12-31	47
2016-03-31	1
2016-06-30	21
2016-09-30	49
2016-12-31	33
2017-03-31	43
2017-06-30	43
2017-09-30	60
2017-12-31	68
2018-03-31	31
2018-06-30	15
2018-09-30	14
2018-12-31	14
2019-03-31	14
2019-06-30	0
2019-09-30	0
2019-12-31	0
2020-03-31	6
2020-06-30	25
2020-09-30	0
2020-12-31	0
2021-03-31	0
2021-06-30	0
2021-09-30	4
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