Quarter	US dollars
2004-12-31	148
2005-03-31	181
2005-06-30	269
2005-09-30	248
2005-12-31	251
2006-03-31	16
2006-06-30	17
2006-09-30	54
2006-12-31	135
2007-03-31	6
2007-06-30	8
2007-09-30	10
2007-12-31	12
2008-03-31	14
2008-06-30	18
2008-09-30	18
2008-12-31	20
2009-03-31	26
2009-06-30	30
2009-09-30	34
2009-12-31	39
2010-03-31	44
2010-06-30	43
2010-09-30	47
2010-12-31	47
2011-03-31	42
2011-06-30	42
2011-09-30	36
2011-12-31	36
2012-03-31	30
2012-06-30	30
2012-09-30	24
2012-12-31	60
2013-03-31	18
2013-06-30	18
2013-09-30	13
2013-12-31	12
2014-03-31	7
2014-06-30	7
2014-09-30	2
2014-12-31	0
2015-03-31	0
2015-06-30	5
2015-09-30	2
2015-12-31	0
2016-03-31	7
2016-06-30	0
2016-09-30	6
2016-12-31	6
2017-03-31	0
2017-06-30	0
2017-09-30	44
2017-12-31	45
2018-03-31	44
2018-06-30	45
2018-09-30	0
2018-12-31	43
2019-03-31	65
2019-06-30	45
2019-09-30	176
2019-12-31	236
2020-03-31	247
2020-06-30	264
2020-09-30	268
2020-12-31	306
2021-03-31	262
2021-06-30	261
2021-09-30	251
2021-12-31	239
2022-03-31	292
2022-06-30	321
2022-09-30	332
2022-12-31	329
2023-03-31	310
2023-06-30	300
2023-09-30	360