Quarter	US dollars
2004-12-31	86
2005-03-31	85
2005-06-30	88
2005-09-30	19
2005-12-31	96
2006-03-31	106
2006-06-30	92
2006-09-30	30
2006-12-31	145
2007-03-31	37
2007-06-30	58
2007-09-30	98
2007-12-31	321
2008-03-31	167
2008-06-30	157
2008-09-30	337
2008-12-31	36
2009-03-31	188
2009-06-30	232
2009-09-30	480
2009-12-31	501
2010-03-31	315
2010-06-30	480
2010-09-30	246
2010-12-31	178
2011-03-31	1063
2011-06-30	724
2011-09-30	636
2011-12-31	267
2012-03-31	324
2012-06-30	176
2012-09-30	174
2012-12-31	162
2013-03-31	170
2013-06-30	111
2013-09-30	83
2013-12-31	200
2014-03-31	247
2014-06-30	210
2014-09-30	425
2014-12-31	339
2015-03-31	171
2015-06-30	429
2015-09-30	335
2015-12-31	437
2016-03-31	303
2016-06-30	322
2016-09-30	199
2016-12-31	978
2017-03-31	166
2017-06-30	9
2017-09-30	8
2017-12-31	199
2018-03-31	69
2018-06-30	91
2018-09-30	743
2018-12-31	709
2019-03-31	59
2019-06-30	57
2019-09-30	55
2019-12-31	0
2020-03-31	0
2020-06-30	5
2020-09-30	5
2020-12-31	4
2021-03-31	4
2021-06-30	4
2021-09-30	4
2021-12-31	4
2022-03-31	3
2022-06-30	3
2022-09-30	30
2022-12-31	54
2023-03-31	54
2023-06-30	56
2023-09-30	23