Quarter	US dollars
2004-12-31	161
2005-03-31	129
2005-06-30	118
2005-09-30	111
2005-12-31	103
2006-03-31	95
2006-06-30	122
2006-09-30	125
2006-12-31	137
2007-03-31	155
2007-06-30	118
2007-09-30	120
2007-12-31	297
2008-03-31	179
2008-06-30	169
2008-09-30	130
2008-12-31	114
2009-03-31	112
2009-06-30	140
2009-09-30	144
2009-12-31	129
2010-03-31	103
2010-06-30	85
2010-09-30	99
2010-12-31	64
2011-03-31	72
2011-06-30	80
2011-09-30	73
2011-12-31	66
2012-03-31	70
2012-06-30	67
2012-09-30	69
2012-12-31	68
2013-03-31	64
2013-06-30	65
2013-09-30	8
2013-12-31	83
2014-03-31	85
2014-06-30	68
2014-09-30	65
2014-12-31	58
2015-03-31	62
2015-06-30	66
2015-09-30	68
2015-12-31	64
2016-03-31	52
2016-06-30	64
2016-09-30	64
2016-12-31	59
2017-03-31	59
2017-06-30	49
2017-09-30	52
2017-12-31	1
2018-03-31	1
2018-06-30	9
2018-09-30	12
2018-12-31	11
2019-03-31	31
2019-06-30	42
2019-09-30	32
2019-12-31	13
2020-03-31	12
2020-06-30	12
2020-09-30	13
2020-12-31	12
2021-03-31	10
2021-06-30	10
2021-09-30	3
2021-12-31	1
2022-03-31	7
2022-06-30	15
2022-09-30	14
2022-12-31	15
2023-03-31	13
2023-06-30	12
2023-09-30	11