Quarter	US dollars
2004-12-31	36
2005-03-31	36
2005-06-30	45
2005-09-30	58
2005-12-31	21
2006-03-31	19
2006-06-30	100
2006-09-30	177
2006-12-31	204
2007-03-31	10
2007-06-30	16
2007-09-30	6
2007-12-31	2
2008-03-31	4
2008-06-30	4
2008-09-30	14
2008-12-31	24
2009-03-31	16
2009-06-30	30
2009-09-30	8
2009-12-31	10
2010-03-31	33
2010-06-30	21
2010-09-30	39
2010-12-31	28
2011-03-31	30
2011-06-30	22
2011-09-30	25
2011-12-31	125
2012-03-31	133
2012-06-30	151
2012-09-30	179
2012-12-31	70
2013-03-31	91
2013-06-30	83
2013-09-30	146
2013-12-31	132
2014-03-31	100
2014-06-30	118
2014-09-30	97
2014-12-31	86
2015-03-31	68
2015-06-30	53
2015-09-30	56
2015-12-31	61
2016-03-31	63
2016-06-30	68
2016-09-30	73
2016-12-31	78
2017-03-31	84
2017-06-30	136
2017-09-30	91
2017-12-31	97
2018-03-31	101
2018-06-30	110
2018-09-30	108
2018-12-31	109
2019-03-31	109
2019-06-30	5
2019-09-30	0
2019-12-31	0
2020-03-31	1
2020-06-30	2
2020-09-30	1
2020-12-31	1
2021-03-31	1
2021-06-30	0
2021-09-30	-1
2021-12-31	0
2022-03-31	11
2022-06-30	24
2022-09-30	47
2022-12-31	0
2023-03-31	35
2023-06-30	58
2023-09-30	54