Quarter	US dollars
2004-12-31	148
2005-03-31	147
2005-06-30	158
2005-09-30	175
2005-12-31	182
2006-03-31	177
2006-06-30	181
2006-09-30	181
2006-12-31	178
2007-03-31	178
2007-06-30	167
2007-09-30	228
2007-12-31	221
2008-03-31	223
2008-06-30	225
2008-09-30	226
2008-12-31	221
2009-03-31	169
2009-06-30	163
2009-09-30	187
2009-12-31	174
2010-03-31	177
2010-06-30	178
2010-09-30	175
2010-12-31	186
2011-03-31	191
2011-06-30	186
2011-09-30	182
2011-12-31	26
2012-03-31	19
2012-06-30	19
2012-09-30	349
2012-12-31	27
2013-03-31	1676
2013-06-30	1641
2013-09-30	1576
2013-12-31	1395
2014-03-31	1010
2014-06-30	884
2014-09-30	837
2014-12-31	729
2015-03-31	679
2015-06-30	733
2015-09-30	504
2015-12-31	452
2016-03-31	457
2016-06-30	361
2016-09-30	336
2016-12-31	333
2017-03-31	9
2017-06-30	6
2017-09-30	205
2017-12-31	159
2018-03-31	157
2018-06-30	153
2018-09-30	158
2018-12-31	128
2019-03-31	130
2019-06-30	5
2019-09-30	5
2019-12-31	4
2020-03-31	5
2020-06-30	5
2020-09-30	9
2020-12-31	10
2021-03-31	10
2021-06-30	11
2021-09-30	15
2021-12-31	15
2022-03-31	14
2022-06-30	12
2022-09-30	9
2022-12-31	5
2023-03-31	5
2023-06-30	5
2023-09-30	25