Quarter	US dollars
2004-12-31	2
2005-03-31	0
2005-06-30	0
2005-09-30	5
2005-12-31	0
2006-03-31	2
2006-06-30	2
2006-09-30	2
2006-12-31	0
2007-03-31	16
2007-06-30	0
2007-09-30	2
2007-12-31	16
2008-03-31	2
2008-06-30	4
2008-09-30	2
2008-12-31	60
2009-03-31	32
2009-06-30	36
2009-09-30	38
2009-12-31	71
2010-03-31	2
2010-06-30	1
2010-09-30	0
2010-12-31	0
2011-03-31	0
2011-06-30	0
2011-09-30	39
2011-12-31	19
2012-03-31	19
2012-06-30	19
2012-09-30	19
2012-12-31	0
2013-03-31	50
2013-06-30	114
2013-09-30	83
2013-12-31	79
2014-03-31	108
2014-06-30	108
2014-09-30	113
2014-12-31	86
2015-03-31	70
2015-06-30	50
2015-09-30	32
2015-12-31	21
2016-03-31	10
2016-06-30	15
2016-09-30	14
2016-12-31	0
2017-03-31	0
2017-06-30	12
2017-09-30	16
2017-12-31	19
2018-03-31	7
2018-06-30	15
2018-09-30	77
2018-12-31	66
2019-03-31	1
2019-06-30	13
2019-09-30	1
2019-12-31	107
2020-03-31	170
2020-06-30	17
2020-09-30	110
2020-12-31	94
2021-03-31	95
2021-06-30	148
2021-09-30	255
2021-12-31	133
2022-03-31	230
2022-06-30	272
2022-09-30	119
2022-12-31	136
2023-03-31	131
2023-06-30	58
2023-09-30	196