Quarter	US dollars
2004-12-31	10
2005-03-31	9
2005-06-30	14
2005-09-30	12
2005-12-31	10
2006-03-31	10
2006-06-30	11
2006-09-30	9
2006-12-31	10
2007-03-31	12
2007-06-30	10
2007-09-30	41
2007-12-31	80
2008-03-31	127
2008-06-30	229
2008-09-30	203
2008-12-31	22
2009-03-31	57
2009-06-30	198
2009-09-30	157
2009-12-31	31
2010-03-31	176
2010-06-30	160
2010-09-30	181
2010-12-31	74
2011-03-31	6
2011-06-30	191
2011-09-30	182
2011-12-31	176
2012-03-31	14
2012-06-30	16
2012-09-30	63
2012-12-31	15
2013-03-31	11
2013-06-30	12
2013-09-30	11
2013-12-31	7
2014-03-31	7
2014-06-30	14
2014-09-30	8
2014-12-31	19
2015-03-31	9
2015-06-30	5
2015-09-30	2
2015-12-31	28
2016-03-31	24
2016-06-30	13
2016-09-30	22
2016-12-31	103
2017-03-31	86
2017-06-30	87
2017-09-30	149
2017-12-31	123
2018-03-31	86
2018-06-30	88
2018-09-30	77
2018-12-31	149
2019-03-31	52
2019-06-30	101
2019-09-30	39
2019-12-31	55
2020-03-31	38
2020-06-30	129
2020-09-30	39
2020-12-31	18
2021-03-31	34
2021-06-30	133
2021-09-30	140
2021-12-31	220
2022-03-31	167
2022-06-30	219
2022-09-30	137
2022-12-31	65
2023-03-31	188
2023-06-30	491
2023-09-30	495