Quarter	US dollars
2004-12-31	538
2005-03-31	609
2005-06-30	574
2005-09-30	561
2005-12-31	522
2006-03-31	510
2006-06-30	338
2006-09-30	299
2006-12-31	515
2007-03-31	533
2007-06-30	504
2007-09-30	495
2007-12-31	161
2008-03-31	149
2008-06-30	135
2008-09-30	141
2008-12-31	129
2009-03-31	123
2009-06-30	117
2009-09-30	101
2009-12-31	94
2010-03-31	94
2010-06-30	256
2010-09-30	202
2010-12-31	158
2011-03-31	123
2011-06-30	140
2011-09-30	159
2011-12-31	100
2012-03-31	134
2012-06-30	136
2012-09-30	123
2012-12-31	152
2013-03-31	147
2013-06-30	118
2013-09-30	123
2013-12-31	58
2014-03-31	55
2014-06-30	62
2014-09-30	57
2014-12-31	55
2015-03-31	42
2015-06-30	19
2015-09-30	17
2015-12-31	13
2016-03-31	12
2016-06-30	4
2016-09-30	5
2016-12-31	6
2017-03-31	16
2017-06-30	3
2017-09-30	1
2017-12-31	1
2018-03-31	6
2018-06-30	3
2018-09-30	3
2018-12-31	3
2019-03-31	1
2019-06-30	3
2019-09-30	2
2019-12-31	3
2020-03-31	2
2020-06-30	2
2020-09-30	3
2020-12-31	3
2021-03-31	3
2021-06-30	3
2021-09-30	1
2021-12-31	1
2022-03-31	1
2022-06-30	2
2022-09-30	1
2022-12-31	1
2023-03-31	0
2023-06-30	0
2023-09-30	0