Quarter	US dollars
2004-12-31	111
2005-03-31	110
2005-06-30	81
2005-09-30	80
2005-12-31	77
2006-03-31	5
2006-06-30	9
2006-09-30	7
2006-12-31	8
2007-03-31	8
2007-06-30	10
2007-09-30	6
2007-12-31	30
2008-03-31	28
2008-06-30	26
2008-09-30	21
2008-12-31	37
2009-03-31	34
2009-06-30	28
2009-09-30	110
2009-12-31	103
2010-03-31	118
2010-06-30	130
2010-09-30	131
2010-12-31	136
2011-03-31	146
2011-06-30	188
2011-09-30	195
2011-12-31	190
2012-03-31	189
2012-06-30	193
2012-09-30	202
2012-12-31	191
2013-03-31	194
2013-06-30	180
2013-09-30	172
2013-12-31	164
2014-03-31	225
2014-06-30	186
2014-09-30	185
2014-12-31	176
2015-03-31	199
2015-06-30	215
2015-09-30	182
2015-12-31	199
2016-03-31	194
2016-06-30	144
2016-09-30	126
2016-12-31	50
2017-03-31	38
2017-06-30	1
2017-09-30	0
2017-12-31	0
2018-03-31	0
2018-06-30	0
2018-09-30	0
2018-12-31	0
2019-03-31	0
2019-06-30	0
2019-09-30	0
2019-12-31	0
2020-03-31	0
2020-06-30	0
2020-09-30	0
2020-12-31	0
2021-03-31	0
2021-06-30	0
2021-09-30	0
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