Quarter	US dollars
2004-12-31	67
2005-03-31	53
2005-06-30	73
2005-09-30	64
2005-12-31	91
2006-03-31	104
2006-06-30	128
2006-09-30	108
2006-12-31	76
2007-03-31	71
2007-06-30	106
2007-09-30	98
2007-12-31	125
2008-03-31	167
2008-06-30	197
2008-09-30	185
2008-12-31	168
2009-03-31	150
2009-06-30	180
2009-09-30	128
2009-12-31	45
2010-03-31	82
2010-06-30	37
2010-09-30	38
2010-12-31	31
2011-03-31	69
2011-06-30	79
2011-09-30	76
2011-12-31	425
2012-03-31	120
2012-06-30	78
2012-09-30	87
2012-12-31	87
2013-03-31	76
2013-06-30	58
2013-09-30	63
2013-12-31	104
2014-03-31	107
2014-06-30	51
2014-09-30	62
2014-12-31	39
2015-03-31	92
2015-06-30	20
2015-09-30	5
2015-12-31	52
2016-03-31	3
2016-06-30	133
2016-09-30	0
2016-12-31	0
2017-03-31	0
2017-06-30	1
2017-09-30	-1
2017-12-31	1
2018-03-31	0
2018-06-30	0
2018-09-30	0
2018-12-31	0
2019-03-31	0
2019-06-30	3
2019-09-30	1
2019-12-31	3
2020-03-31	0
2020-06-30	9
2020-09-30	4
2020-12-31	3
2021-03-31	18
2021-06-30	11
2021-09-30	12
2021-12-31	13
2022-03-31	8
2022-06-30	11
2022-09-30	6
2022-12-31	18
2023-03-31	0
2023-06-30	4
2023-09-30	0