Quarter	US dollars
2004-12-31	2
2005-03-31	0
2005-06-30	9
2005-09-30	0
2005-12-31	2
2006-03-31	5
2006-06-30	4
2006-09-30	4
2006-12-31	31
2007-03-31	49
2007-06-30	26
2007-09-30	20
2007-12-31	46
2008-03-31	22
2008-06-30	22
2008-09-30	23
2008-12-31	75
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	13
2013-03-31	38
2013-06-30	135
2013-09-30	76
2013-12-31	69
2014-03-31	98
2014-06-30	97
2014-09-30	165
2014-12-31	115
2015-03-31	107
2015-06-30	87
2015-09-30	47
2015-12-31	33
2016-03-31	22
2016-06-30	21
2016-09-30	21
2016-12-31	7
2017-03-31	9
2017-06-30	17
2017-09-30	8
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	108
2020-03-31	170
2020-06-30	17
2020-09-30	83
2020-12-31	82
2021-03-31	84
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	185