Quarter	US dollars
2004-12-31	65
2005-03-31	79
2005-06-30	70
2005-09-30	71
2005-12-31	62
2006-03-31	43
2006-06-30	50
2006-09-30	41
2006-12-31	39
2007-03-31	49
2007-06-30	70
2007-09-30	63
2007-12-31	74
2008-03-31	95
2008-06-30	94
2008-09-30	80
2008-12-31	81
2009-03-31	86
2009-06-30	71
2009-09-30	82
2009-12-31	81
2010-03-31	199
2010-06-30	132
2010-09-30	142
2010-12-31	153
2011-03-31	128
2011-06-30	119
2011-09-30	100
2011-12-31	82
2012-03-31	109
2012-06-30	138
2012-09-30	79
2012-12-31	89
2013-03-31	165
2013-06-30	132
2013-09-30	108
2013-12-31	68
2014-03-31	98
2014-06-30	31
2014-09-30	21
2014-12-31	19
2015-03-31	16
2015-06-30	25
2015-09-30	24
2015-12-31	18
2016-03-31	19
2016-06-30	20
2016-09-30	5
2016-12-31	6
2017-03-31	19
2017-06-30	6
2017-09-30	5
2017-12-31	5
2018-03-31	3
2018-06-30	3
2018-09-30	3
2018-12-31	3
2019-03-31	3
2019-06-30	0
2019-09-30	0
2019-12-31	12
2020-03-31	0
2020-06-30	0
2020-09-30	0
2020-12-31	0
2021-03-31	0
2021-06-30	0
2021-09-30	0
2021-12-31	0
2022-03-31	0
2022-06-30	0
2022-09-30	0
2022-12-31	0
2023-03-31	0
2023-06-30	0
2023-09-30	0