Quarter	US dollars
2004-12-31	36
2005-03-31	47
2005-06-30	34
2005-09-30	32
2005-12-31	36
2006-03-31	35
2006-06-30	30
2006-09-30	41
2006-12-31	25
2007-03-31	6
2007-06-30	10
2007-09-30	26
2007-12-31	16
2008-03-31	24
2008-06-30	44
2008-09-30	36
2008-12-31	47
2009-03-31	47
2009-06-30	127
2009-09-30	40
2009-12-31	31
2010-03-31	67
2010-06-30	48
2010-09-30	54
2010-12-31	52
2011-03-31	72
2011-06-30	71
2011-09-30	84
2011-12-31	518
2012-03-31	113
2012-06-30	86
2012-09-30	89
2012-12-31	94
2013-03-31	79
2013-06-30	82
2013-09-30	91
2013-12-31	102
2014-03-31	122
2014-06-30	120
2014-09-30	109
2014-12-31	175
2015-03-31	187
2015-06-30	156
2015-09-30	3
2015-12-31	50
2016-03-31	0
2016-06-30	133
2016-09-30	0
2016-12-31	0
2017-03-31	0
2017-06-30	0
2017-09-30	0
2017-12-31	0
2018-03-31	0
2018-06-30	0
2018-09-30	0
2018-12-31	0
2019-03-31	0
2019-06-30	0
2019-09-30	0
2019-12-31	0
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