Quarter	US dollars
2004-12-31	67
2005-03-31	70
2005-06-30	57
2005-09-30	57
2005-12-31	57
2006-03-31	99
2006-06-30	113
2006-09-30	118
2006-12-31	117
2007-03-31	131
2007-06-30	148
2007-09-30	134
2007-12-31	86
2008-03-31	117
2008-06-30	90
2008-09-30	46
2008-12-31	76
2009-03-31	76
2009-06-30	71
2009-09-30	61
2009-12-31	65
2010-03-31	65
2010-06-30	52
2010-09-30	52
2010-12-31	38
2011-03-31	37
2011-06-30	53
2011-09-30	44
2011-12-31	42
2012-03-31	42
2012-06-30	39
2012-09-30	45
2012-12-31	37
2013-03-31	44
2013-06-30	33
2013-09-30	31
2013-12-31	30
2014-03-31	28
2014-06-30	27
2014-09-30	31
2014-12-31	36
2015-03-31	28
2015-06-30	24
2015-09-30	20
2015-12-31	18
2016-03-31	17
2016-06-30	13
2016-09-30	13
2016-12-31	14
2017-03-31	14
2017-06-30	14
2017-09-30	13
2017-12-31	11
2018-03-31	10
2018-06-30	0
2018-09-30	7
2018-12-31	11
2019-03-31	12
2019-06-30	6
2019-09-30	2
2019-12-31	3
2020-03-31	2
2020-06-30	5
2020-09-30	0
2020-12-31	1
2021-03-31	11
2021-06-30	1
2021-09-30	3
2021-12-31	1
2022-03-31	1
2022-06-30	2
2022-09-30	6
2022-12-31	7
2023-03-31	4
2023-06-30	10
2023-09-30	7