Quarter	US dollars
2004-12-31	13
2005-03-31	13
2005-06-30	18
2005-09-30	19
2005-12-31	22
2006-03-31	21
2006-06-30	22
2006-09-30	22
2006-12-31	22
2007-03-31	2
2007-06-30	2
2007-09-30	6
2007-12-31	0
2008-03-31	2
2008-06-30	0
2008-09-30	0
2008-12-31	0
2009-03-31	0
2009-06-30	0
2009-09-30	0
2009-12-31	0
2010-03-31	0
2010-06-30	0
2010-09-30	2
2010-12-31	2
2011-03-31	2
2011-06-30	2
2011-09-30	8
2011-12-31	8
2012-03-31	8
2012-06-30	9
2012-09-30	5
2012-12-31	6
2013-03-31	68
2013-06-30	64
2013-09-30	76
2013-12-31	2
2014-03-31	72
2014-06-30	70
2014-09-30	63
2014-12-31	62
2015-03-31	61
2015-06-30	60
2015-09-30	59
2015-12-31	59
2016-03-31	59
2016-06-30	52
2016-09-30	51
2016-12-31	50
2017-03-31	50
2017-06-30	51
2017-09-30	102
2017-12-31	50
2018-03-31	62
2018-06-30	62
2018-09-30	119
2018-12-31	65
2019-03-31	65
2019-06-30	118
2019-09-30	117
2019-12-31	122
2020-03-31	120
2020-06-30	122
2020-09-30	119
2020-12-31	138
2021-03-31	120
2021-06-30	119
2021-09-30	121
2021-12-31	121
2022-03-31	128
2022-06-30	112
2022-09-30	107
2022-12-31	98
2023-03-31	124
2023-06-30	99
2023-09-30	113