Quarter	US dollars
2004-12-31	23
2005-03-31	25
2005-06-30	57
2005-09-30	58
2005-12-31	60
2006-03-31	61
2006-06-30	28
2006-09-30	26
2006-12-31	23
2007-03-31	22
2007-06-30	24
2007-09-30	18
2007-12-31	20
2008-03-31	22
2008-06-30	20
2008-09-30	27
2008-12-31	36
2009-03-31	75
2009-06-30	100
2009-09-30	99
2009-12-31	107
2010-03-31	103
2010-06-30	102
2010-09-30	101
2010-12-31	99
2011-03-31	96
2011-06-30	75
2011-09-30	75
2011-12-31	173
2012-03-31	177
2012-06-30	173
2012-09-30	178
2012-12-31	84
2013-03-31	141
2013-06-30	140
2013-09-30	138
2013-12-31	83
2014-03-31	118
2014-06-30	123
2014-09-30	131
2014-12-31	128
2015-03-31	138
2015-06-30	145
2015-09-30	53
2015-12-31	49
2016-03-31	50
2016-06-30	43
2016-09-30	43
2016-12-31	37
2017-03-31	39
2017-06-30	4
2017-09-30	5
2017-12-31	55
2018-03-31	66
2018-06-30	66
2018-09-30	61
2018-12-31	9
2019-03-31	7
2019-06-30	6
2019-09-30	71
2019-12-31	73
2020-03-31	72
2020-06-30	72
2020-09-30	3
2020-12-31	3
2021-03-31	1
2021-06-30	4
2021-09-30	4
2021-12-31	4
2022-03-31	3
2022-06-30	3
2022-09-30	3
2022-12-31	3
2023-03-31	3
2023-06-30	3
2023-09-30	130