Quarter	US dollars
2004-12-31	27
2005-03-31	13
2005-06-30	7
2005-09-30	11
2005-12-31	10
2006-03-31	10
2006-06-30	11
2006-09-30	26
2006-12-31	12
2007-03-31	12
2007-06-30	22
2007-09-30	24
2007-12-31	36
2008-03-31	36
2008-06-30	40
2008-09-30	12
2008-12-31	13
2009-03-31	10
2009-06-30	12
2009-09-30	139
2009-12-31	111
2010-03-31	11
2010-06-30	262
2010-09-30	263
2010-12-31	11
2011-03-31	5
2011-06-30	5
2011-09-30	14
2011-12-31	12
2012-03-31	16
2012-06-30	22
2012-09-30	325
2012-12-31	333
2013-03-31	677
2013-06-30	2663
2013-09-30	1232
2013-12-31	926
2014-03-31	1195
2014-06-30	219
2014-09-30	118
2014-12-31	115
2015-03-31	22
2015-06-30	252
2015-09-30	35
2015-12-31	24
2016-03-31	20
2016-06-30	89
2016-09-30	173
2016-12-31	97
2017-03-31	64
2017-06-30	16
2017-09-30	66
2017-12-31	196
2018-03-31	101
2018-06-30	36
2018-09-30	35
2018-12-31	61
2019-03-31	60
2019-06-30	60
2019-09-30	58
2019-12-31	28
2020-03-31	25
2020-06-30	16
2020-09-30	8
2020-12-31	11
2021-03-31	29
2021-06-30	12
2021-09-30	11
2021-12-31	13
2022-03-31	11
2022-06-30	9
2022-09-30	32
2022-12-31	31
2023-03-31	41
2023-06-30	33
2023-09-30	29