Quarter	US dollars
2004-12-31	69
2005-03-31	79
2005-06-30	61
2005-09-30	67
2005-12-31	55
2006-03-31	73
2006-06-30	87
2006-09-30	69
2006-12-31	139
2007-03-31	163
2007-06-30	154
2007-09-30	92
2007-12-31	137
2008-03-31	215
2008-06-30	575
2008-09-30	266
2008-12-31	361
2009-03-31	383
2009-06-30	231
2009-09-30	195
2009-12-31	271
2010-03-31	155
2010-06-30	169
2010-09-30	120
2010-12-31	125
2011-03-31	122
2011-06-30	124
2011-09-30	131
2011-12-31	187
2012-03-31	179
2012-06-30	196
2012-09-30	166
2012-12-31	154
2013-03-31	184
2013-06-30	173
2013-09-30	194
2013-12-31	157
2014-03-31	150
2014-06-30	145
2014-09-30	130
2014-12-31	108
2015-03-31	120
2015-06-30	109
2015-09-30	6
2015-12-31	6
2016-03-31	6
2016-06-30	5
2016-09-30	6
2016-12-31	5
2017-03-31	5
2017-06-30	5
2017-09-30	4
2017-12-31	4
2018-03-31	8
2018-06-30	7
2018-09-30	5
2018-12-31	6
2019-03-31	7
2019-06-30	6
2019-09-30	6
2019-12-31	7
2020-03-31	6
2020-06-30	6
2020-09-30	6
2020-12-31	7
2021-03-31	6
2021-06-30	6
2021-09-30	5
2021-12-31	5
2022-03-31	5
2022-06-30	5
2022-09-30	3
2022-12-31	4
2023-03-31	2
2023-06-30	3
2023-09-30	0