Quarter	US dollars
2004-12-31	86
2005-03-31	119
2005-06-30	102
2005-09-30	41
2005-12-31	88
2006-03-31	87
2006-06-30	135
2006-09-30	151
2006-12-31	301
2007-03-31	300
2007-06-30	323
2007-09-30	367
2007-12-31	297
2008-03-31	302
2008-06-30	293
2008-09-30	282
2008-12-31	230
2009-03-31	169
2009-06-30	170
2009-09-30	155
2009-12-31	145
2010-03-31	167
2010-06-30	181
2010-09-30	181
2010-12-31	185
2011-03-31	165
2011-06-30	167
2011-09-30	164
2011-12-31	233
2012-03-31	123
2012-06-30	111
2012-09-30	78
2012-12-31	58
2013-03-31	59
2013-06-30	53
2013-09-30	52
2013-12-31	64
2014-03-31	55
2014-06-30	50
2014-09-30	44
2014-12-31	66
2015-03-31	62
2015-06-30	68
2015-09-30	51
2015-12-31	52
2016-03-31	46
2016-06-30	43
2016-09-30	42
2016-12-31	50
2017-03-31	49
2017-06-30	44
2017-09-30	47
2017-12-31	47
2018-03-31	41
2018-06-30	38
2018-09-30	38
2018-12-31	34
2019-03-31	164
2019-06-30	34
2019-09-30	48
2019-12-31	48
2020-03-31	50
2020-06-30	48
2020-09-30	13
2020-12-31	1
2021-03-31	1
2021-06-30	1
2021-09-30	1
2021-12-31	1
2022-03-31	1
2022-06-30	104
2022-09-30	0
2022-12-31	0
2023-03-31	0
2023-06-30	0
2023-09-30	0